输入年、月、日，计算该天是本年的第几天

题目描述输入年、月、日，计算该天是本年的第几天。输入描述:包括三个整数年(1<=Y<=3000)、月(1<=M<=12)、日(1<=D<=31)。输出描述:输入可能有多组测试数据，对于每一组测试数据，输出一个整数，代表Input中的年、月、日对应本年的第几天。示例1输入1990 9 202000 5 1输出263122

#include<stdio.h>
#include<string.h>
int Run[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int Ping[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};


int isRun(int year){
    if((year % 4 == 0 && year % 100 != 0) || year % 400 == 0){
        return 1;
    }else{
        return 0;
    }
}


int cal(int year, int month, int day){
    int result = 0;
    if(isRun(year)){
        for(int i = 0; i < month-1; i++){
            result = result + Run[i];
        }
        result = result + day;
    }else{
        for(int i = 0; i < month-1; i++){
            result = result + Ping[i];
        }
        result = result + day;
    }
    return result;
}


int main(){
    int year, month, day;
    while(scanf("%d%d%d", &year, &month, &day)) {
        printf("%d\n", cal(year, month, day));
    }


    return 0;
}