SadnessOfArray.c

#include <stdio.h>
int main() {
    int n;scanf("%d", &n);
    int arr[n];
    int i, j;

    for(i=0;i<n;i++)
        scanf("%d", &arr[i]);

    int res[n];

    for(i=0;i<n;i++){
        res[i] = -1;
        for(j=i+1;j<n+i;j++){
            int k = j%n;
            if(arr[i] == arr[k])
                res[i] = abs(i-k);
        }
    }

    for(i=0;i<n;i++)
        printf("%d ", res[i]);

    return 0;
}