题解 | 牛牛的时钟

#include <stdio.h>
#include <stdlib.h>

// write your code here......
typedef struct Clock myclock_t;
typedef struct Clock {
    int hour;
    int minute;
    int second;
    int sum_seconds;
    void (*set_clock)(myclock_t* obj, int seconds);
    void (*print_clock)(myclock_t* obj);
} myclock_t;

void SetClock(myclock_t* obj, int seconds) {
    obj->sum_seconds += seconds;
    obj->sum_seconds %= 24 * 3600;
    obj->hour = obj->sum_seconds / 3600;
    obj->minute = (obj->sum_seconds % 3600) / 60;
    obj->second = obj->sum_seconds % 60;
}

void PrintTime(myclock_t* obj) {
    printf("%d %d %d\n", obj->hour, obj->minute, obj->second);
}

int main() {

    int n;
    scanf("%d", &n);

    int* seconds = (int*)malloc(n * sizeof(int));

    for (int i = 0; i < n; i++) {
        scanf("%d", &seconds[i]);
    }

    // write your code here......
    myclock_t cl = {
        .hour = 0,
        .minute = 0,
        .second = 0,
        .sum_seconds = 0,
        .set_clock = SetClock,
        .print_clock = PrintTime
    };

    for (int i = 0; i < n; i++) {
        cl.set_clock(&cl, seconds[i]);
        cl.print_clock(&cl);
    }

    free(seconds);
    return 0;
}