Compilare: main.cpp: In function 'int main()': main.cpp:36:12: warning: statement has no effect [-Wunused-value] 36 | for(i;i<f.size();i++){ | ^ main.cpp:36:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(i;i<f.size();i++){ | ~^~~~~~~~~ main.cpp:60:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 60 | for(auto i:res) | ^~~ main.cpp:62:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 62 | fout<<endl; | ^~~~