Compilare: main.cpp: In function 'int main()': main.cpp:21:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int j =0 ;j < h[clasa].size() && ok ;j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:31:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int j =0 ;j < h[clasa].size() ;j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:42:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int j =0 ;j < h[clasa].size() && ok==0 ;j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:42:11: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 42 | for(int j =0 ;j < h[clasa].size() && ok==0 ;j++) | ^~~ main.cpp:45:12: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 45 | g<<ok<<'\n'; | ^