1) Write C++ program that displays square and cube value of given no.

#include<stdio.h>
#include<conio.h>
#include<iostream.h>
void main()
{
int n,sq,c;
clrscr();
cout<<"enter any no: ";
cin>>n;
sq=n*n;
c=n*n*n;
cout<<"square : "<<sq<<" cube "<<c;
getch();
} 

output:

enter any no: 7

square: 49 cube: 343