@[hanshengyuan2024](/user/1287452)
```cpp
freopen("XXX.in 或 XXX.out","输入文件写 r,输出文件写 w",输入文件写 stdin,输出文件写 stdout);
//前 2 个有引号,最后一个没有
```
example:
```cpp
freopen("apple.in","r",stdin);
freopen("apple.out","w",stdout);
```
by 2333_qwq @ 2024-03-28 18:11:02
就是
```freopen("名字1.文件类型1","r",stdin);```
,这个是读入“名字1.文件类型1”中的数据作为输入的数据(类似于`cin`的数据)
`freopen("名字2.文件类型2","w",stdout);`
,这个是输出结果到“名字2.文件类型2”,(类似`cout`,但是结果在“名字2.文件类型2”中)
?
by lzh009 @ 2024-03-28 18:11:12
@[hanshengyuan2024](/user/1287452)
freopen("读入文件名","r",stdin)
freopen("输出文件名","w",stdout)
文件名带后缀一起写
by Rem_CandleFire @ 2024-03-28 18:11:18
@[hanshengyuan2024](/user/1287452) 调试程序时注释掉
by 2333_qwq @ 2024-03-28 18:11:39
@[hanshengyuan2024](/user/1287452)
`?`
by lzh009 @ 2024-03-28 18:11:53
@[User_7540231968](/user/951212) @[lzh009](/user/952814) @[ONLY_L_T](/user/421421) @[User_7540231968](/user/951212) thx。已关
by hanshengyuan2024 @ 2024-03-28 18:18:52