xm----------答案 Linghaiya · 发布于 2025-11-16 · 浏览 322 回复 0 //他会吃符号要加# include <stdio.h> int main() { long long s; scanf("%lld", &s); long long min, h = 0; min = s / 60; h = min / 60; min = min % 60; long long se = s % 60; printf("%lld:%lld:%lld\n", h, min, se); return 0; }