题解 | 小乐乐定闹钟
#include <iostream>
using namespace std;
int main() {
int hour, min, n;
scanf("%d:%d %d", &hour, &min, &n);
min = n % 60 + min;
if (min >= 60) {
hour = n / 60 + hour + 1;
min -= 60;
} else {
hour = n / 60 + hour;
}
if (hour >= 24) {
hour %= 24;
}
printf("%02d:%02d", hour, min);
}
// 64 位输出请用 printf("%lld")
