Compilare: main.cpp: In function 'void fil(int)': main.cpp:29:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int f = 0 ; f < v[nod].size() ; f ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void fil2(int)': main.cpp:45:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int f = 0 ; f < invers[nod].size() ; f ++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:93:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(int f = 0 ; f < rez.size() ; f ++) | ~~^~~~~~~~~~~~ main.cpp:95:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for(int e = 0 ; e < rez[f].size() ; e ++) | ~~^~~~~~~~~~~~~~~