Compilare: main.cpp: In member function 'void Graf::bfs(int)': main.cpp:73:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i < vecini[coada[inc]].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(std::vector<bool>&, int)': main.cpp:89:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_topo(std::vector<bool>&, int, std::vector<int>&)': main.cpp:131:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 131 | for(i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_comp(std::vector<bool>&, int, std::vector<std::vector<int> >&, int)': main.cpp:162:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for(int i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::componente_tare_conexe(Graf&)': main.cpp:183:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for(int j = 0; j < componente[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::afis()': main.cpp:210:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 210 | for(int j = 0; j < vecini[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_biconex(std::vector<bool>&, int, int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<std::vector<int> >&, int&)': main.cpp:222:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 222 | for(i = 0; i < vecini[fiu].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::biconex()': main.cpp:257:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 257 | for(int j = 0; j < comp[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_muchii_critice(std::vector<bool>&, int, int, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&, int&)': main.cpp:268:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 268 | for(i = 0; i < vecini[fiu].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::muchii_critice()': main.cpp:297:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 297 | for(int j = 0; j < comp[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:320:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 320 | for(int i = 0; i < vecini_cost[1].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:329:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 329 | for(int i = 0; i < vecini_cost[nod_curent].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::prim()': main.cpp:393:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 393 | for(int i = 0; i < vecini_cost[start].size(); i++)