Compilare: main.cpp: In function 'void parse(std::string, int)': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | while (i < linie.size()) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'std::vector<std::vector<int> > bfs(std::vector<int>&)': main.cpp:66:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (int i = 0; i < unmatched.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:75:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (int j = 0; j < edges[nod].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:77:28: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 77 | if (visited[edges[nod][j]] == 0) | ^ main.cpp: In function 'bool dfs(int, std::vector<std::vector<int> >&)': main.cpp:103:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for (int i = 0; i < graf[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void hopcroftKarp()': main.cpp:140:13: warning: unused variable 'comisii' [-Wunused-variable] 140 | int comisii = 0; | ^~~~~~~ main.cpp: In function 'int main()': main.cpp:204:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int j = 0; j < edges[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~