View Code of Problem 81

#include<bits/stdc++.h>
using namespace std;
int main(){
	int y,m,d;
	bool flag=false;
	cin>>y>>m>>d;
	if(y%4==0&&y%100!=0||y%400==0){
		flag=true;
	}
	int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	int sumday=0;
	for(int i=0;i<m-1;i++){
		sumday+=month[i];
	}
	if(flag==true){
		cout<<sumday+1+d;
	}
	else{
		cout<<sumday+d;
	}
	return 0;
}