Borderou de evaluare (job #804540)

Compilare: main.cpp: In function 'int main()': main.cpp:30:18: 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 i=0;i<s.length();i++) | ~^~~~~~~~~~~ main.cpp:56:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 56 | for(int j=0;j<s.length();j++) | ~^~~~~~~~~~~