Compilare: main.cpp: In member function 'void Graf::bfs(int)': main.cpp:122:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for(int i = 0; i < vecini[coada[inc]].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(std::vector<bool>&, int)': main.cpp:140:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | 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:162:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | 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:198:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for(int i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::componente_tare_conexe(Graf&)': main.cpp:221:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 221 | for(int j = 0; j < componente[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::afis()': main.cpp:233:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 233 | 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:247:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 247 | for(i = 0; i < vecini[fiu].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::biconex()': main.cpp:284:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 284 | 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:297:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 297 | for(i = 0; i < vecini[fiu].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::muchii_critice()': main.cpp:328:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 328 | for(int j = 0; j < comp[i].size(); j++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:353:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 353 | for(int i = 0; i < vecini_cost[1].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:362:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 362 | for(int i = 0; i < vecini_cost[nod_curent].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::prim()': main.cpp:411:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 411 | for(int i = 0; i < vecini_cost[start].size(); i++)