Compilare: main.cpp: In function 'int main()': main.cpp:25:16: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 25 | if(C.size()!=m+1) fout<<-1<<'\n'; | ~~~~~~~~^~~~~ main.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i=0;i<C.size()-1;i++) | ~^~~~~~~~~~~ main.cpp: In function 'bool grade_pare()': main.cpp:48:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 48 | for(i=1;i<=n;i++) | ^~~ main.cpp:50:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 50 | return 1; | ^~~~~~