Help me in solving GSCP15 problem

My issue

My code

// Solution as follows

#include <stdio.h>

int main() {
    int t;
    int N;
    int i = 1;
    scanf("%d", &t );
    while ( i <= t) {
        scanf("%d", &N);
        printf("%d\n", 2*N );
        i = i+1;
    }
    return 0;
}

Learning course: C for problem solving - 1
Problem Link: CodeChef: Practical coding for everyone

Your code looks fine it worked in my compiler.So what’s the issue?