C program to reverse a number

	#include<stdio.h>
	main()
	{
	int n,rev=0;
	printf("Enter no to reverse\n");
	scanf("%d",&n);
	while(n>0)
	{
	rev=rev*10+n%10;
	n=n/10;
	}
	printf("Reverse of no is=%d\n",rev);
	}

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