有没有亿种可能,nx与ny越界了
吐槽一下:主函数的循环最好别压行,代码复杂或要调试加东西时你会晕的(我原来被坑死啦)
by xujinxuan01 @ 2024-03-28 20:37:08
@[xujinxuan01](/user/732034)
判断时出现了a[-1][-1]的情况
应改成:
```cpp
if (nx >= 0 && ny >= 0 && nx < n && ny < n &&a[nx][ny] != 48){
dfs(nx, ny);
}
``````
by xujinxuan01 @ 2024-03-28 20:39:58
样例还是没过
by _l_j_y_ @ 2024-03-28 20:42:14
@[xujinxuan01](/user/732034) 应改成:
``` cpp
if (nx >= 0 && ny >= 0 && nx < n && ny < m &&a[nx][ny] != 48){
dfs(nx, ny);
}
```
by _l_j_y_ @ 2024-03-28 20:44:01
@[chenqile](/user/953664)
by _l_j_y_ @ 2024-03-28 20:44:28
@[_l_j_y_](/user/745970)
谢谢纠错(手残了)
by xujinxuan01 @ 2024-03-28 20:51:24