调试方式: freopen函数

#include<cstdio>

FILE* freopen(const char *, const char *, FILE*);

调试时写入

freopen("XXX.txt", "r", stdin);

代替调试输入

关闭freopen的方式:

https://blog.csdn.net/u013446688/article/details/44873929

在DOS/Win中可以使用CON:

                                                          读文件后:freopen("CON", "r", stdin)

                                                          写文件后:freopen("CON", "w", stdout)

 
       在linux中,控制台设备是 /dev/console:freopen("/dev/console", "r", stdin)


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