0_0_39052076_23819.cpp: In function 'int main()':
0_0_39052076_23819.cpp:12:9: error: 'bitset' was not declared in this scope
12 | bitset<110> b[110];//标记是否dfs过
| ^~~~~~
0_0_39052076_23819.cpp:4:1: note: 'std::bitset' is defined in header '<bitset>'; did you forget to '#include <bitset>'?
3 | #include<set>
+++ |+#include <bitset>
4 |
0_0_39052076_23819.cpp:12:21: error: 'b' was not declared in this scope
12 | bitset<110> b[110];//标记是否dfs过
| ^
0_0_39052076_23819.cpp:15:9: error: 'function' was not declared in this scope
15 | function<void(int, int)> dfs;
| ^~~~~~~~
0_0_39052076_23819.cpp:4:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
3 | #include<set>
+++ |+#include <functional>
4 |
0_0_39052076_23819.cpp:15:31: error: expression list treated as compound expression in functional cast [-fpermissive]
15 | function<void(int, int)> dfs;
| ^
0_0_39052076_23819.cpp:15:18: error: expected primary-expression before 'void'
15 | function<void(int, int)> dfs;
| ^~~~
0_0_39052076_23819.cpp:16:9: error: 'dfs' was not declared in this scope
16 | dfs = [&](int x, int y){
| ^~~
|