Compilare: main.cpp: In function 'void dfs(int)': main.cpp:52:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = indexInFii; i < graf[nod].size() && frunza; ++i) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsInv(int)': main.cpp:88:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for (int i = indexInFii; i < grafInv[nod].size() && frunza; ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:144:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:148:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for (int j = 0; j < componente[i].size() && !areBerarie; ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:158:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:160:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:162:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for (int k = 0; k < graf[componente[i][j]].size(); ++k) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:173:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:181:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 181 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:196:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:202:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 202 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:218:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for (int i = 0; i < grafInvComponente[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:229:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 229 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:233:31: 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 < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:243:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 243 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~