Question

print reverse of a number

Answer 1

Answer:

Reverse number C program using recursion

#include <stdio.h>

long reverse(long);

int main()

{

long n, r;

scanf("%ld", &n);

r = reverse(n);

printf("%ld\n", r);

return 0;

}

long reverse(long n) {

static long r = 0;

if (n == 0)

return 0;

r = r * 10;

r = r + n % 10;

reverse(n/10);

return r;

}

To reverse or invert large numbers, use long data type or long long data type if your compiler supports it.

For numbers which we can't store in built-in datatypes, use a string or some other data structure.

Explanation:

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