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:89:36: 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 = indexInFii; i < grafInv[nod].size() && frunza; ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:146:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 146 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:150:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | for (int j = 0; j < componente[i].size() && !areBerarie; ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:160:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:162:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:164:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | for (int k = 0; k < graf[componente[i][j]].size(); ++k) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:175:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:183:31: 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 < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:198:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:204:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:220:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 220 | for (int i = 0; i < grafInvComponente[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:231:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 231 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:235:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 235 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:245:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 245 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~