ccf 2015-09-2 日期计算

思路：按题意判断+模拟。

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代码：

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
typedef long long ll;
int a[2][12]={{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};
int main()
{
    int y,d,month=0,day,dd=0;
    cin>>y>>d;
    int flag=(y%4==0 && y%100)||y%400==0;
    while(dd+a[flag][month]<d)
        dd+=a[flag][month++];
    day=d-dd;
    cout<<month+1<<endl<<day<<endl; //+1是因为month从0开始算的
    return 0;
}