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1. C program to reverse a number
#include<stdio.h>
//#include<conio.h>
int main()
{
int n, reverse = 0;
printf("Enter a number to reversen");
scanf("%d",&n);
while (n != 0)
{
reverse = reverse * 10;
reverse = reverse + n%10;
n = n/10;
}
printf("Reverse of entered number is = %dn", reverse);
return 0;
}
Output of program: