Compilare: main.cpp: In function 'int fil(int)': main.cpp:78:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int f = 0 ; f < m[nod].size() ; f ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:126:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int e = 0 ; e < m[f].size() ; e ++) | ~~^~~~~~~~~~~~~ main.cpp:126:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 126 | for(int e = 0 ; e < m[f].size() ; e ++) | ^~~ main.cpp:129:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 129 | cout << endl ; | ^~~~