C++ Programs

 Write a program to print sum of two numbers

#include<iostream.h>

#include<conio.h>

int main()

{

clrscr();

int num1, num2, sum;

cout<<" Enter first number :";

cin>>num1;

cout<<" Enter second number :";

cin>>num2;

sum= num1+num2;

cout<<" The sum of given numbers is :";

cout<< sum;

}

Output

Enter first number : 4

Enter second number : 5

The sum of given numbers is : 9

Write a C++ program that inputs a student's marks in three subjects and prints the percentage marks.

#include<iostream.h>

#include<conio.h>

int main()

{

clrscr();

float sub1, sub2, sub3, marks, per;

cout<<"Enter marks obtained in 3 subjects : ";

cin>>sub1 >>sub2 >>sub3 ;

marks= sub1+sub2+sub3;

per=(marks/300)*100 ;

cout<<"\n "<<" The percentage marks are:" <<per << "%";

}

Output

Enter marks obtained in 3 subject : 50  75 80

The percentage marks are: 68.3

Write a program in C++ to accept three integers and print the largest of the three.

#include<iostream.h>

#include<conio.h>

int main()

{

clrscr();

int x,y,z,max;

cout<<" Enter three numbers :";

cin>>x>>y>>z;

max=x;

if( y>max)

       max=y;

If(z>max)

max=z;

cout<<"\n The largest number is :";

cout<<max;

}

Output

Enter three numbers: 3 5 8

The largest number is: 8