Borderou de evaluare (job #814167)

Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 16 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:35:43: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | while(st.size()&&pr[st.top()]>=pr[s[i]]) | ~~~~~~^~ main.cpp:35:55: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | while(st.size()&&pr[st.top()]>=pr[s[i]]) | ^