I was looking submission of other user and i noticed something common in them,
ifdef ONLINE_JUDGE
define OJ \
freopen(file".in", "r", stdin); \
freopen(file".out", "w", stdout);
else
define OJ ;
endif
I want to know how this works .Please help.
Help | #define openjudge
I was looking submission of other user and i noticed something common in them,
freopen(file".in", "r", stdin); \
freopen(file".out", "w", stdout);
I want to know how this works .Please help.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en4 |
|
ghost1733 | 2020-08-14 12:48:53 | 40 | Tiny change: 'se help.\n' -> 'se help.\nAnd how to use it and what does it do?\n' | |
| en3 |
|
ghost1733 | 2020-08-14 12:40:14 | 2 | Tiny change: 'in them,\n #ifdef ' -> 'in them,\n\n #ifdef ' | |
| en2 |
|
ghost1733 | 2020-08-14 10:19:03 | 17 | ||
| en1 |
|
ghost1733 | 2020-08-14 10:16:28 | 287 | Initial revision (published) |
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