题解 | #日期类#

#include <stdio.h>

int main(){
    int n;
    int list1[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    scanf("%d",&n);
    for(int i=0;i<n;i++){
        int year,month,day;
        scanf("%d %d %d",&year,&month,&day);
        day++;
        if (day>list1[month]){
            day=day-list1[month];
            month++;
        }
        if (month>12){
            year++;
            month=1;
        }
        printf("%4d-%02d-%02d\n",year,month,day);
    }
    return 0;
}