Borderou de evaluare (job #609559)

Compilare: main.cpp: In function 'int main()': main.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 12 | for (int i=0; i<s.size(); i++) | ~^~~~~~~~~ main.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 19 | for (int i=1; i<s.size(); i++) | ~^~~~~~~~~ main.cpp:21:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 21 | for (int j=1; j<=s.size()-i; j++) | ~^~~~~~~~~~~~ main.cpp:45:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 45 | for (int i=1; i<=s.size(); i++) | ~^~~~~~~~~~