Compilare: main.cpp: In member function 'void Graph_Solver::dfs_biconex(int, int)': main.cpp:45:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i = 0; i < v[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph_Solver::solve_biconex()': main.cpp:86:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph_Solver::solve_scc()': main.cpp:124:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for(int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph_Solver::solve_toposort()': main.cpp:142:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 142 | for (int j = 0; j < v[p].size(); j++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int Graph_Solver::maxflow()': main.cpp:443:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 443 | for (int j = 0; j < v[nod].size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp:453:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 453 | for (int i=0;i<v[n].size();i++) | ~^~~~~~~~~~~~ main.cpp: In member function 'void Graph_Solver::euler_cycle()': main.cpp:576:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 576 | for(int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp: In member function 'bool Graph_Solver::dfs_m(int, std::vector<std::vector<int> >)': main.cpp:620:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 620 | for(int i = 0; i < ve[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~