题解 | #今年的第几天？#

#include <stdio.h>
int main(){
    int Month[13] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int year, month, day;
    while (scanf("%d %d %d", &year, &month, &day) != EOF){
        int total = 0;
        if(month == 1){
            printf("%d\n", day);
        }
        else{
            for (int i = 0; i < month - 1; ++i) {
                total += Month[i];
            }
            total += day;
            if(month > 2 && year % 100 != 0 && year % 4 == 0 || year % 400 == 0){
                total++;
            }
            printf("%d\n", total);
        }
    }
    return 0;
}