Borderou de evaluare (job #717253)

Compilare: main.cpp: In function 'int main()': main.cpp:70:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 70 | for(int i=0;i<n.length();i++) | ~^~~~~~~~~~~ main.cpp:74:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 74 | for(int i=1;i<=n.length()/2;i++) | ~^~~~~~~~~~~~~~ main.cpp:67:9: warning: unused variable 'cnt' [-Wunused-variable] 67 | int cnt=0; | ^~~