编辑代码

#include <stdio.h>
int main () {
    int t1;
    int t2;

    printf("请输入一个四位数时间:");
    scanf("%d", &t1);
    printf("请输入流逝的时间（分钟）：");
    scanf("%d", &t2);

    int hour1 = t1 / 100;
    int minute1 = t1 % 100;

    int hour2 = t2 / 60;
    int minute2 = t2 % 60;

    int t = ((hour1 + hour2) + (minute1 + minute2)/60) * 100 + (minute1 + minute2) % 60;
    printf("流逝时间后的四位数时间：%d", t);
    return 0;
}