Borderou de evaluare (job #727843)

Compilare: main.cpp: In function 'int main()': main.cpp:30:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 30 | for(int k=0;k<s.size()/2;k++) { | ~^~~~~~~~~~~ main.cpp:39:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 39 | for(int k=0;k<s.size();k++) { | ~^~~~~~~~~