Compilare: main.cpp: In function 'int bfs(int, int, std::vector<int>&)': main.cpp:18:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < v[nod].size(); i ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int flow(int, int)': main.cpp:38:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 38 | while(new_flow = bfs(s, t, parent)) | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:77:34: warning: unused variable 'c' [-Wunused-variable] 77 | int nod = j-> first, c = j->second; | ^