ACM 11650 - Mirror Clock

#include <stdio.h>
int main()
{
    int H, M, T;
    scanf("%d", &T);
    while (T --)
    {
        scanf("%d:%d", &H, &M);
        int revH, revM;
        if (H >= 12) H -= 12;
        if (H == 12 && M == 0 || H == 0 && M == 0) puts("12:00");
        else
        {
            revH = (12 - H) - 1;
            revM = 60 - M;
            if (revM == 60) revM = 0, revH ++;
            if (revH == 0) revH = 12;    
            printf("%02d:%02d\n", revH, revM);
        }
    } 
    return 0;
}

回目錄
回首頁