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);