Borderou de evaluare (job #790957)

Compilare: main.cpp: In function 'int main()': main.cpp:16:24: 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:27:20: warning: comparison of integer expressions of different signedness: 'std::stack<char>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 27 | if(S.size()>max) { | ~~~~~~~~^~~~ main.cpp:11:9: warning: unused variable 'cnt2' [-Wunused-variable] 11 | int cnt2=0,max=0; | ^~~~