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#define Local
#include <iostream>
#include <cstdio>
//#include <stdio.h>
using namespace std;
int main()
{
#ifdef Local
freopen("datain.txt","r",stdin);
freopen("dataout.txt","r",stdout);
.
.
.
}
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原文地址:http://www.cnblogs.com/ediszhao/p/4344526.html