Borderou de evaluare (job #604756)

Compilare: main.cpp: In function 'std::string mod(std::string)': main.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 11 | for(int j=0; j<x.size(); j++) | ~^~~~~~~~~ main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for(int j=0; j<x.size(); j++) | ~^~~~~~~~~ main.cpp: In function 'std::string rez(std::string)': main.cpp:21:19: 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=0; j<x.size(); j++) | ~^~~~~~~~~ main.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 24 | for(int j=0; j<x.size(); j++) | ~^~~~~~~~~