对拍
http://blog.csdn.net/wyt734933289/article/details/47400433
有些数据造不出来
错误的
freopen("e:\\duipai\\data.txt","r",stdin);
freopen ("e:\\duipai\\out2.txt","w",stdout);
正确的
freopen("e:\\duipai\\data.txt","r",stdin);
freopen ("e:\\duipai\\out1.txt","w",stdout);