Compilare: main.cpp: In function 'void dfsG(int)': main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < la[x].size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'void dfsGT(int)': main.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i < grafTranspus[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~