Borderou de evaluare (job #578740)

Compilare: main.cpp: In function 'int main()': main.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for (i = 1;i<s.size();i++) | ~^~~~~~~~~ main.cpp:17:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 17 | for (i = 1;i<=s.size();i++) | ~^~~~~~~~~~ main.cpp:13:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 13 | if (s[0] == s[s.size()-1]) | ^ main.cpp:20:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | while ((s[i] < s[i+1]) && i < s.size()-1) | ~~^~~~~~~~~~~~