80分，第五个没过

#include <stdio.h>
int main() {
    int n, a[100], c = 0;
    scanf("%d", &n);
    int k = n;
    for (int i = 0; i < 100; i++) {
        if (n == 1) break;
        if (n % 2 == 0) {
            n /= 2;
            a[i] = n;
            c+=1;
        }
        else {
            if (n == 1) break;
            n = n * 3 + 1;
            a[i] = n;
            c+=1;
        }
    }
    c = c - 1;
    for (; c >= 0; c--) {
        printf("%d ", a[c]);
    }printf("%d", k);
    return 0;
}