Borderou de evaluare (job #623214)

Compilare: main.cpp: In function 'int main()': main.cpp:13:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | for (int j=0; j<a.size(); j++) if (a[j] - '0' == i) x++; | ~^~~~~~~~~ main.cpp:14:24: 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<b.size(); j++) if (b[j] - '0' == i) y++; | ~^~~~~~~~~