Compilare: main.cpp: In function 'void dfs(int)': main.cpp:50:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int i = 0; i < graf[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsInv(int)': main.cpp:80:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (int i = 0; i < grafInv[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:135:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:139:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for (int j = 0; j < componente[i].size() && !areBerarie; ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:149:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:151:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 151 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:153:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | for (int k = 0; k < graf[componente[i][j]].size(); ++k) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:164:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:172:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 172 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:187:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 187 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:193:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 193 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:209:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 209 | for (int i = 0; i < grafInvComponente[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:220:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 220 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:224:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 224 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:234:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 234 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~