202401-programming-assignments/【实践课外】5.循环结构2/7-3 循环-完数.c

#include <stdio.h>

int main() {
    int n, sum = 0;

    scanf("%d", &n);

    for (int i = 1; i < n; i++) {
        if (n % i == 0) {
            sum += i;
        }
    }

    if (sum == n) {
        printf("YES\n");
    } else {
        printf("NO\n");
    }

    return 0;
}