Borderou de evaluare (job #809696)

Compilare: main.cpp: In function 'int main()': main.cpp:32:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 32 | for(int i=1;i<s.length();i++) | ~^~~~~~~~~~~ main.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 42 | for(int i=po+1;i<s.length();i++) | ~^~~~~~~~~~~ main.cpp:74:22: 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<rez.length();i++) | ~^~~~~~~~~~~~~ main.cpp:42:17: warning: 'po' may be used uninitialized [-Wmaybe-uninitialized] 42 | for(int i=po+1;i<s.length();i++) | ^ main.cpp:31:13: note: 'po' was declared here 31 | int po; | ^~