C++ Programming All Notes.....

 1.WAP to add 1 to n number without using formula.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,n,sum=0;

cout<<"\n Enter the nth number:-";

cin>>n;

for(i=0;i<=n;i++)

{

sum=sum+i;

}

cout<<"sum is:-"<<sum;

getch();

}


Output:-



 Enter the nth number:-10


 sum is:-55


//<---------------------------------------------------------------------------->//


2.  WAP Addition of two matrix.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],b[3][3],c[3][3],i,j;

cout<<"\n Enter the 9 number for a:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

cout<<"\n Enter the 9 number for b:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>b[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

c[i][j]=a[i][j]+b[i][j];

}

}

cout<<"\n Addition is:-\n";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<" "<<c[i][j];

}

cout<<endl;

}

getch();

}

Output:-



 Enter the 9 number for a:-1

2

3

4

5

6

7

8

9


 Enter the 9 number for b:-1

2

3

4

5

6

7

8

9


 Addition is:-

 2 4 6

 8 10 12

 14 16 18


//<------------------------------------------------------------------------------------------->//


3. WAP to print Addition of two numeber.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

c=a+b;

cout<<"\n Addition is:-"<<c;

getch();

}


Output:-



 Enter the first number:-3


 Enter the second number:-5


 Addition is:-8


//<-------------------------------------------------------------------------------------->//


4. WAP to find the number is Armstrong number or Not.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,n,r,result=0;

cout<<"\n Enter the number:-";

cin>>n;

a=n;

while(a!=0)

{  

r=a%10;

result=result+(r*r*r);

{

a=a/10;

}

}


if(result==n)

cout<<"\n Armstrong number is:-"<<n;

else

cout<<"\n Not an Armstrong number is:-"<<n;

getch();

}




Output:-



 Enter the number:-153


 Armstrong number is:-153



 Enter the number:-321


 Not an Armstrong number is:-321


//<---------------------------------------------------------------------------------------->//


5. WAP to input one 3X3 array and then count total number of even or odd.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],i,j,even,odd;

cout<<"\n Enter the number:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

if(a[i][j]%2==0)

even=even+1;

else

odd=odd+1;

}

}

cout<<"\n Even is:-"<<even;

cout<<"\n Odd is:-"<<odd;

getch();

}

Output:-



 Enter the number:-1

2

3

4

5

6

7

8

9


 Even is:-4

 Odd is:-5


//<-------------------------------------------------------------------------------------------->//


6. WAP to print Enter the marks of a student in five subjects and calculate the total aggregate.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int phy,che,math,eng,comp,avg,total;

cout<<"\n Enter the physics marks:-";

cin>>phy;

cout<<"\n Enter the chemistry marks:-";

cin>>che;

    cout<<"\n Enter the mathematics marks:-";

    cin>>math;

    cout<<"\n Enter the english marks:-";

    cin>>eng;

    cout<<"\n Enter the computer marks:-";

    cin>>comp;

    avg=(phy+che+math+eng+comp)/5;

    total=phy+che+math+eng+comp;

    cout<<"\n Average is:-"<<avg;

    cout<<"\n Total is:-"<<total;

    getch();

    

    


}


Output:-



 Enter the physics marks:-1


 Enter the chemistry marks:-2


 Enter the mathematics marks:-3


 Enter the english marks:-4


 Enter the computer marks:-5


 Average is:-3

 Total is:-15



//<------------------------------------------------------------------------------------------->//


7. WAP to print Addition,Substraction,Multiplication,Division By using Function.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

void sum(int,int);

void sub(int,int);

        void mul(int,int);

        void div(int,int);


cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

sum(a,b);

sub(a,b);

mul(a,b);

div(a,b);

getch();

}

void sum(int a,int b)

{

int c;

c=a+b;

cout<<"\n Addition is:-"<<c;

}

void sub(int a,int b)

{

int c;

c=a-b;

cout<<"\n Substraction is:-"<<c;

}

void mul(int a,int b)

{

int c;

c=a*b;

cout<<"\n Multiplication is:-"<<c;

}

void div(int a,int b)

{

int c;

c=a/b;

cout<<"\n Division is:-"<<c;

}



Output:-



 Enter the first number:-1


 Enter the second number:-2


 Addition is:-3

 Substraction is:--1

 Multiplication is:-2

 Division is:-0



//<-------------------------------------------------------------------------------------------->//


8. WAP to print Addition,Substraction,Multiplication,Division.

Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,sum,sub,mul,div;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

sum=a+b;

sub=a-b;

mul=a*b;

div=a/b;

cout<<"\n Addition is:-"<<sum;

cout<<"\n Substraction is:-"<<sub;

        cout<<"\n Multiplication is:-"<<mul;

cout<<"\n Division is:-"<<div;

getch();

}



Output:-




 Enter the first number:-3


 Enter the second number:-4


 Addition is:-7

 Substraction is:--1

 Multiplication is:-12

 Division is:-0


//<------------------------------------------------------------------------------------------>//


9. WAP to print Division of two number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

c=a/b;

cout<<"\n Division is:-"<<c;

getch();

}


Output:-



 Enter the first number:-4


 Enter the second number:-3


 Division is:-1



//<--------------------------------------------------------------------------------------------->//


10. WAP to find out the number is even or odd.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a;

cout<<"\n Check the given number is even or odd:-";

cin>>a;

if(a%2==0)

cout<<"\n Even is:-"<<a;

else

cout<<"\n Odd is:-"<<a;

getch();


}



Output:-



 Check the given number is even or odd:-2


 Even is:-2



 Check the given number is even or odd:-3


 Odd is:-3


//<---------------------------------------------------------------------------------------------->//


11. WAP to find fibonabi series.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,n,a=0,b=1,c;

cout<<"\n Enter the nth number:-";

cin>>n;

for(i=0;i<n;i++)

{

cout<<a;

c=a+b;

a=b;

b=c;

cout<<endl;

}

getch();

}



Output:-



 Enter the nth number:-10

0

1

1

2

3

5

8

13

21

34



//<------------------------------------------------------------------------------------------>//


12. WAP to print Addition of two number by using function.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

void sum(int,int);

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

sum(a,b);

getch();

}

void sum(int a,int b)

{

int c;

c=a+b;

cout<<"\n Addition is:-"<<c;

}


Output:-



 Enter the first number:-2


 Enter the second number:-3


 Addition is:-5


//<-------------------------------------------------------------------------------------->//


13. WAP to print Division of two number by using function.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

void div(int,int);

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

div(a,b);

getch();

}

void div(int a,int b)

{

int c;

c=a/b;

cout<<"\n Division is:-"<<c;

}

Output:-



 Enter the first number:-3


 Enter the second number:-2


 Division is:-1



//<-------------------------------------------------------------------------------->//


14. WAP to print Multiplication of two number by using function.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

void mul(int,int);

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

mul(a,b);

getch();

}

void mul(int a,int b)

{

int c;

c=a*b;

cout<<"\n Multiplication is:-"<<c;

}


Output:-



 Enter the first number:-2


 Enter the second number:-3


 Multiplication is:-6



//<---------------------------------------------------------------------------------------------->//


15. WAP to print Substraction of two number by using function.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

void sub(int,int);

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

sub(a,b);

getch();

}

void sub(int a,int b)

{

int c;

c=a-b;

cout<<"\n Substraction is:-"<<c;

}


Output:-



 Enter the first number:-3


 Enter the second number:-4


 Substraction is:--1




//<----------------------------------------------------------------------------------------------->//


16. WAP to calculate the gross salary when the 1% basic salary is given by 

the user and the DA is the 16% of the basic salary and TA is 5% of base salary.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,d;

cout<<"\n Enter the number:-";

cin>>a;

b=8*a/100;

c=16*a/100;

d=a+b+c;

cout<<"\n Gross Salary is:-"<<d;

getch();

}


Output:-


 Enter the number:-1000


 Gross Salary is:-1210




//<------------------------------------------------------------------------------>//


17. WAP to print Hello C++.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

cout<<"Hello c++";

getch();



}


Output:-


Hello c++



//<-------------------------------------------------------------------------------->>//


18. WAP to input 3X3 matrix.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],i,j;

cout<<"\n Enter the number:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

cout<<"\n Input numbers are:-\n";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<" "<<a[i][j];

}

cout<<endl;

}

getch();

}


Output:-



 Enter the number:-1

2

3

4

5

6

7

8

9


 Input numbers are:-

 1 2 3

 4 5 6

 7 8 9




//<------------------------------------------------------------------------------------------>//


19. WAP to find largest ar maximum number from 3X3 matrix.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],i,j,max=0;

cout<<"\n Enter the number:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

if(a[i][j]>=max)

max=a[i][j];

}

}

cout<<"\n Largest number is:-"<<max;

getch();

}

Output:-



 Enter the number:-1

2

3

4

5

6

7

8

9


 Largest number is:-9




//<-------------------------------------------------------------------------------------------->//


20.  WAP to find whether a given year is a leap year or not.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int year;

cout<<"\n Enter the year:-";

cin>>year;

if((year%4==0) && (year%100!=0) || (year%4==0))

cout<<"\n Leap year is:-"<<year;

else

cout<<"\n Not a Leap year is:-"<<year;

getch();

}


Output:-




 Enter the year:-2000


 Leap year is:-2000



 Enter the year:-2001


 Not a Leap year is:-2001



//<------------------------------------------------------------------------------------>//


21.  WAP to input three distinct integer number and then print the largest among three distinct number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,max;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

cout<<"\n Enter the third number:-";

cin>>c;

max=a;

if(b>=max)

max=b;

if(c>=max)

max=c;

cout<<"\n Largest number is:-"<<max;

getch();

}


Output:-



 Enter the first number:-2


 Enter the second number:-3


 Enter the third number:-4


 Largest number is:-4



//<------------------------------------------------------------------------------------------>//


22. WAP to print Multiplication of 3*3 matrix.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],b[3][3],c[3][3],i,j,k;

cout<<"\n Enter the 9 number for a:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

cout<<"\n Enter the 9 number for b:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>b[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

c[i][j]=0;

for(k=0;k<3;k++)

{

c[i][j]=c[i][j]+a[i][j]*b[k][j];

}

}

}

cout<<"\n Multiplication is:-\n";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<" "<<c[i][j];

}

cout<<endl;

}

getch();

}


Output:-



 Enter the 9 number for a:-1

2

3

4

5

6

7

8

9


 Enter the 9 number for b:-1

2

3

4

5

6

7

8

9


 Multiplication is:-

 12 30 54

 48 75 108

 84 120 162



//<------------------------------------------------------------------------------------->//


23. WAP to print Multiplication of two number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

c=a*b;

cout<<"\n Multiplication is:-"<<c;

getch();

}


Output:-



 Enter the first number:-2


 Enter the second number:-3


 Multiplication is:-6



//<----------------------------------------------------------------------------------------------->//


24. WAP to print Number Pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=1;i<=5;i++)

{

cout<<endl;

for(j=1;j<=i;j++)

{

cout<<" "<<i;

}

}

getch();

}


Output:-



 1

 2 2

 3 3 3

 4 4 4 4

 5 5 5 5 5



//<------------------------------------------------------------------------------------------->//


25. WAP to print number pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=1;i<=5;i++)

{

cout<<endl;

for(j=1;j<=i;j++)

{

cout<<" "<<j;

}

}

getch();

}



Output:-



 1

 1 2

 1 2 3

 1 2 3 4

 1 2 3 4 5



//<----------------------------------------------------------------------------------------->//


26. WAP to print 1 to n number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i;

for(i=1;i<=10;i++)

{

cout<<i;

cout<<endl;

}

getch();

}



Output:-


1

2

3

4

5

6

7

8

9

10




//<------------------------------------------------------------------------------------------->//


27. WAP to check whether a number is palindrome or not a palindrome.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,n,r,rev=0;

cout<<"\n Enter the number:-";

cin>>n;

a=n;

while(n>0)

{

r=n%10;

rev=rev*10+r;

{

n=n/10;

}

}

if(a==rev)

cout<<"\n Palindrome number is:-"<<a;

else

cout<<"\n Not a Palindrome number is:-"<<a;

getch();

}


Output:-


 Enter the number:-121


 Palindrome number is:-121


 Enter the number:-123


 Not a Palindrome number is:-123


//<-------------------------------------------------------------------------------------->//


28. WAP to print star pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=1;i<=5;i++)

{

for(j=5;j>=i;j--)

{

cout<<" * ";

}

cout<<endl;

}

getch();

}



Output:-


*  *  *  *  *

 *  *  *  *

 *  *  *

 *  *

 *



//<-------------------------------------------------------------------------------------->//


29. WAP to print Number pattern.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j,k;

for(i=1;i<=5;i++)

{

cout<<endl;

for(j=5;j>=i;j--)

cout<<" ";

{

for(k=1;k<=i;k++)

cout<<i;

}

}

getch();

}


Output:-



     1

    22

   333

  4444

 55555




//<---------------------------------------------------------------------------------------------->//


30. WAP to find the number is perfect number or Not.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i=1,num,sum=0;

cout<<"\n Enter the number:-";

cin>>num;

while(i<num)

{

if(num%i==0)

{

sum=sum+i;

}

i++;

}

if(sum==num)

cout<<"\n Perfect number is:-"<<num;

else

cout<<"\n Not a perfect number is:-"<<num;

getch();

}



Output:-



 Enter the number:-314


 Not a perfect number is:-314



 Enter the number:-6


 Perfect number is:-6



//<---------------------------------------------------------------------------------------------->//


31. WAP to input one number and then decide number is positive or negative.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a;

cout<<"\n Check the given number is negative or positive:-";

cin>>a;

if(a>=0)

cout<<"\n Number is positive";

else

cout<<"\n Number is Negative";

getch();

}


Output:-



 Check the given number is negative or positive:-3


 Number is positive




 Check the given number is negative or positive:--4


 Number is Negative



//<--------------------------------------------------------------------------------------------->//


32. WAP for printing all prime number up to nth number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j,n,fact;

for(i=2;i<=20;i++)

{

fact=1;

for(j=2;j<=i/2;j++)

{

if(i%j==0)

{

fact=0;

break;

}

}

if(fact==1)

{

cout<<i;

}

        cout<<" ";

}

getch();

}

Output:-


2 3  5  7    11  13    17  19



//<----------------------------------------------------------------------------------------->//


33. WAP to print Number pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j,k;

for(i=1;i<=5;i++)

{

for(j=5;j>=i;j--)

cout<<" ";

{

for(k=1;k<=i;k++)

cout<<k;

}

cout<<endl;

}

getch();

}



Output:-


     1

    12

   123

  1234

 12345



//<---------------------------------------------------------------------------------------------------->//


34. WAP to calculate simple interest of 8% and find the total capital.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the First number:-";

cin>>a;

b=8*a/100;

c=a+8*a/100;

cout<<"\n Interest is:-"<<b;

cout<<"\n Total is:-"<<c;

getch();

}


Output:-



 Enter the First number:-1000


 Interest is:-80

 Total is:-1080




//<----------------------------------------------------------------------------------------------->//


35.  WAP to input three distinct integer number and then print the smallest among three distinct number.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,min;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

cout<<"\n Enter the third number:-";

cin>>c;

min=a;

if(b<=min)

min=b;

if(c<=min)

min=c;

cout<<"\n Smallest number is:-"<<min;

getch();

}



Output:-



 Enter the first number:-2


 Enter the second number:-4


 Enter the third number:-3


 Smallest number is:-2



//<----------------------------------------------------------------------------------------------->//


36. WAP to print Star pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=1;i<=5;i++)

{

for(j=1;j<=i;j++)

{

cout<<" * ";

}

cout<<endl;

}

getch();

}


Output:-



 *

 *  *

 *  *  *

 *  *  *  *

 *  *  *  *  *



//<------------------------------------------------------------------------------------------->//


37. WAP to print square pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=1;i<=5;i++)

{

for(j=1;j<=5;j++)

{

j>=i;

    cout<<" * ";

}

cout<<endl;

}

getch();

}



Output:-


 *  *  *  *  *

 *  *  *  *  *

 *  *  *  *  *

 *  *  *  *  *

 *  *  *  *  *


//<----------------------------------------------------------------------------------------------------->>//


38. WAP to find out the student is eligible by through out 60%.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

float a,b,c;

cout<<"\n Enter the class 10th marks:-";

cin>>a;

cout<<"\n Enter the class 12th marks:-";

cin>>b;

cout<<"\n Enter the class B.tech marks:-";

cin>>c;

if((a>=60) && (b>=60) || (c>=60))

cout<<"\n You are elisible";

else

cout<<"\n You are not elisible";

getch();

}


Output:-




 Enter the class 10th marks:-76


 Enter the class 12th marks:-70.8


 Enter the class B.tech marks:-8.48


 You are elisible




 Enter the class 10th marks:-45


 Enter the class 12th marks:-34


 Enter the class B.tech marks:-23


 You are not elisible



//<-------------------------------------------------------------------------------------------->//


39. WAP to print Substraction of two number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

c=a-b;

cout<<"\n Substraction is:-"<<c;

getch();

}



Output:-




 Enter the first number:-3


 Enter the second number:-4


 Substraction is:--1



//<--------------------------------------------------------------------------------------------------->//


40. WAP to swap two number by using third variable.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c;

cout<<"\n Enter the first number:-";

cin>>a;

cout<<"\n Enter the second number:-";

cin>>b;

c=a;

a=b;

b=c;

cout<<"\n Swap is:-"<<a<<" "<<b;

getch();

}



Output:-



 Enter the first number:-3


 Enter the second number:-2


 Swap is:-2 3



//<-------------------------------------------------------------------------------------------------->//


41. WAP to print working of timer.


Source code:-


#include<iostream>

#include<stdlib.h>

#include<unistd.h>

using namespace std;

int main()

{

int min=40,sec=0;

while(true)

{

system("cls");

cout<<"\t"<<"Timer" <<" = " <<min<<" : "<<sec<<endl;

sec++;

if(sec==60)

{

// min--;

sec=0;

if(sec==60)

{

min-1;

}

}

usleep(1000000);

}

return 0;

}




//<----------------------------------------------------------------------------------------------->//


42. WAP in c++ to print the transpose of given 3X3 matrix.

Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a[3][3],i,j,t;

cout<<"\n Enter the number:-";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

t=a[i][j];

a[i][j]=a[j][i];

a[j][i]=t;

}

}

cout<<"\n Transpose is:-\n";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<" "<<a[j][i];

}

cout<<endl;

}

getch();

}


Output:-



 Enter the number:-1

2

3

4

5

6

7

8

9


 Transpose is:-

 1 4 7

 2 5 8

 3 6 9





//<---------------------------------------------------------------------------------------------------->//


43. WAP to print star pattern.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j;

for(i=5;i>=1;i--)

{

for(j=1;j<=5;j++)

{

if(j<=i)

    cout<<" ";

else

cout<<"*";

}

cout<<endl;

}

getch();

}




Output:-



    *

   **

  ***

 ****



//<-------------------------------------------------------------------------------------------------------->//


44. WAP to determine whether an entered character is a vowel using switch case.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

char ch;

cout<<"\n Enter the character:-";

cin>>ch;

switch (ch)

{

case 'a':

case'A':

cout<<"\n c is a vowel of:-"<<ch;

break;

case 'e':

case 'E':

cout<<"\n c is a vowel of:-"<<ch;

break;

case 'i':

case 'I':

cout<<"\n c is a vowel of:-"<<ch;

break;

case 'o':

case 'O':

cout<<"\n c is a vowel of:-"<<ch;

break;

case 'u':

case 'U':

cout<<"\n c is a vowel of:-"<<ch;

break;

defaut:

cout<<"\n c is not a vowel of:-"<<ch;

}

getch();

}



Output:-



 Enter the character:-A


 c is a vowel of:-A




//<-------------------------------------------------------------------------------------------------------------------------------------------------------->//


45. WAP to print monday, tuesday, wednesday, thrusday, friday, saturday, sunday by using switch case.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int n;

cout<<"\n Enter the number:-";

cin>>n;

switch (n)

{

case 1:

cout<<"\n Monday";

break;

case 2:

cout<<"\n Tuesday";

break;

case 3:

cout<<"\n Wednesday";

break;

case 4:

cout<<"\n Thrusday";

break;

case 5:

    cout<<"\n Friday";

break;

case 6:

    cout<<"\n Saturday";

break;

case 7:

    cout<<"\n Sunday";

break;

    defalt :

cout<<"\n Week has only 7 days";

}

getch();

}




Output:-




 Enter the number:-2


 Tuesday





//<----------------------------------------------------------------------------------------------------------->//



46. WAP to print no of week in a month.

           print no of week in a year.

           print no of month in a year.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int wm,wy,my;

wm=30/7;

wy=365/7;

my=365/30;

cout<<"\n Week in a month is:-"<<wm;

cout<<"\n Week in a year is:-"<<wy;

cout<<"\n Month in a year is:-"<<my;

getch();

}



Output:-



 Week in a month is:-4

 Week in a year is:-52

 Month in a year is:-12



//<--------------------------------------------------------------------------------------------------------->//



47. WAP to convert kilometer to meter and vice versa.


Source code:-



#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

float km,m;

cout<<"\n Enter the kilometer:-";

cin>>km;

m=km*1000;

cout<<"\n meter is:-"<<m;

cout<<"\n Enter the meter:-";

cin>>m;

km=m/1000;

cout<<"\n kilometer is:-"<<km;

getch();

}



Output:-



 Enter the kilometer:-100


 meter is:-100000

 Enter the meter:-4500


 kilometer is:-4.5




//<--------------------------------------------------------------------------------------------------------->//


48. WAP to Implement bubble sort technique.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,j,temp;

int arr[5];

for(i=0;i<5;i++)

{

cout<<"\n Enter into index:-";

cin>>arr[i];

}

cout<<"\n Display you have entered:-";

for(i=0;i<5;i++)

{

cout<<" "<<arr[i];

}

cout<<"\n Display result after sorting:-";

for(i=0;i<5-1;i++)

{

for(j=i+1;j<5;j++)

{

if(arr[i]>arr[j])

{

temp=arr[i];

arr[i]=arr[j];

arr[j]=temp;

}

}

}

for(i=0;i<5;i++)

{

cout<<" "<<arr[i];

}

getch();

}


Output:-



 Enter into index:-5


 Enter into index:-4


 Enter into index:-3


 Enter into index:-2


 Enter into index:-1


 Display you have entered:- 5 4 3 2 1

 Display result after sorting:- 1 2 3 4 5



49. WAP to find a number using linear search technique.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int i,n;

int arr[5];

char found='F';

for(i=0;i<5;i++)

{

cout<<"\n Enter into index:-";

cin>>arr[i];

}

cout<<"\n Display you have entered:-";

for(i=0;i<5;i++)

{

cout<<" "<<arr[i];

}

cout<<"\n Enter the number you want to search:-";

cin>>arr[i];

for(i=0;i<5;i++)

{

if(arr[i]==n)

{

found='T';

cout<<"\n The number is found at index is:-"<<i;

break;

}

}

if(found=='F')

cout<<"\n The number is not found at index:-";

getch();

}


Output:-



 Enter into index:-5


 Enter into index:-4


 Enter into index:-3


 Enter into index:-2


 Enter into index:-1


 Display you have entered:- 5 4 3 2 1

 Enter the number you want to search:-1


 The number is found at index is:-4



50. WAP to find a number using binary search technique.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

char found='F';

int arr[5];

int i,j,n,temp,mid,low,high;

for(i=0;i<5;i++)

{

cout<<"\n Enter into index:-";

cin>>arr[i];

}

for(i=0;i<5-1;i++)

{

for(j=i+1;j<5;j++)

{

if(arr[i]>arr[j])

{

temp=arr[i];

arr[i]=arr[j];

arr[j]=temp;

}

}

}

cout<<"\n You have entered:-";

for(i=0;i<5;i++)

{

cout<<" "<<arr[i];

}

cout<<"\n Enter the number you want to search:-";

cin>>n;

low=0;

high=5-1;

while(low<=high)

{

mid=(low+high)/2;

if(n<arr[mid])

high=mid-1;

else

if(n>arr[mid])

low=mid+1;

else

{

found='T';

cout<<"\n the number is found at index is:-"<<mid;

break;

}

}

if(found=='F')

cout<<"\n the number is not found at index";

getch();

}


Output:-



 Enter into index:-9


 Enter into index:-1


 Enter into index:-5


 Enter into index:-2


 Enter into index:-4


 You have entered:- 1 2 4 5 9

 Enter the number you want to search:-9


 the number is found at index is:-4



51. WAP to print the ASCII value of a character.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

char ch;

cout<<"\n Enter the character:-";

cin>>ch;

cout<<"\n Ascii value of"<<" "<<ch<<" "<<"is"<<":-"<<int (ch);

getch();

}


Output:-



 Enter the character:-A


 Ascii value of A is:-65



 Enter the character:-a


 Ascii value of a is:-97



52. WAP to find the largest of three number using ternarry operator.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,max;

cout<<"\n Enter the First number:-";

cin>>a;

cout<<"\n Enter the Second number:-";

cin>>b;

cout<<"\n Enter the Third number:-";

cin>>c;

max=a>b?(a>c?a:c):(b>c?b:c);

cout<<"\n Largest number is:-"<<max;

getch();

}




Output:-



 Enter the First number:-2


 Enter the Second number:-7


 Enter the Third number:-5


 Largest number is:-7



53. WAP to find the smallest of three number using ternarry operator.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,c,min;

cout<<"\n Enter the First number:-";

cin>>a;

cout<<"\n Enter the Second number:-";

cin>>b;

cout<<"\n Enter the Third number:-";

cin>>c;

min=a<b?(a<c?a:c):(b<c?b:c);

cout<<"\n Smallest number is:-"<<min;

getch();

}



Output:-



 Enter the first number:-5


 Enter the second number:-9


 Enter the third number:-7


 Smallest number is:-5



54. WAP to print the reverse of a number.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,rev;

cout<<"\n Enter the number:-";

cin>>a;

while(a!=0)

{

rev=a%10;

cout<<rev;

a=a/10;

}

getch();

}



Output:-



 Enter the number:-1063

3601


55. WAP using for loop to print all the number from m to n there by classifying them as even odd.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b,i;

cout<<"\n Enter the value of a:-";

cin>>a;

cout<<"\n Enter the value ob b:-";

cin>>b;

for(i=a;i<=b;i++)

{

if(i%2==0)

cout<<"\n Even is:-"<<i;

else

cout<<"\n Odd is:-"<<i;

}

getch();

}



Output:-



 Enter the value of a:-2


 Enter the value ob b:-20


 Even is:-2

 Odd is:-3

 Even is:-4

 Odd is:-5

 Even is:-6

 Odd is:-7

 Even is:-8

 Odd is:-9

 Even is:-10

 Odd is:-11

 Even is:-12

 Odd is:-13

 Even is:-14

 Odd is:-15

 Even is:-16

 Odd is:-17

 Even is:-18

 Odd is:-19

 Even is:-20



56.WAP to print swap two variable without using third variable.


Source code:-


#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

int a,b;

cout<<"\n Enter the First number:-";

cin>>a;

cout<<"\n Enter the Second number:-";

cin>>b;

cout<<"\n Swap is:-"<<b<<" "<<a;

getch();

}



Output:-



 Enter the first number:-4


 Enter the second number:-5


 Swap is:-5 4







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