Borderou de evaluare (job #720139)

Compilare: main.cpp: In function 'int main()': main.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 23 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:26:19: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | if(val[s[i]]==0) | ^ main.cpp:28:20: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | val[s[i]]=v[poz]; | ^ main.cpp:34:27: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | nrk[pozk]=val[s[i]]; | ^ main.cpp:44:23: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | int x=val[s[i]]*(i+1)+t; | ^ main.cpp:12:19: warning: unused variable 'sum' [-Wunused-variable] 12 | int n,m,poz=0,sum,cnt=0,pozk=0,pozrez=0; | ^~~