DOZIE 2022-06-24 14:12:41 1 返回题目
#include <bits/stdc++.h> using namespace std; int main(){ int x; cin >> x; int y = x / 3600; int z = x % 3600 / 60; int w = x % 3600 % 60; cout << y << ":" << z << ":" << w; return 0; }
