vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:5:26: error: 'max' was not declared in this scope
5 | for(int i = 0; i + K < max(W, H); i++){
| ^~~
vision.cpp:6:20: error: 'k' was not declared in this scope
6 | add_and({i, i + k});
| ^
vision.cpp:6:4: error: 'add_and' was not declared in this scope
6 | add_and({i, i + k});
| ^~~~~~~
vision.cpp:9:2: error: 'vector' was not declared in this scope
9 | vector<int> v;
| ^~~~~~
vision.cpp:9:9: error: expected primary-expression before 'int'
9 | vector<int> v;
| ^~~
vision.cpp:10:38: error: 'v' was not declared in this scope
10 | for(int i = H*W; i < H*W + ct; i++) v.push_back(i);
| ^
vision.cpp:11:9: error: 'v' was not declared in this scope
11 | add_or(v);
| ^
vision.cpp:11:2: error: 'add_or' was not declared in this scope
11 | add_or(v);
| ^~~~~~