Compilare: main.cpp: In function 'void dfs(int)': main.cpp:51:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | 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:147:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 147 | 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() && !areBerarie; ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:159:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:161:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:163:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for (int k = 0; k < graf[componente[i][j]].size(); ++k) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:174:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:182:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 182 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:197:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 197 | for (int j = 0; j < grafInvComponente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:203:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 203 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:219:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 219 | for (int i = 0; i < grafInvComponente[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:230:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 230 | for (int i = 1; i < componente.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:234:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 234 | for (int j = 0; j < componente[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:244:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 244 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~