Compilare: main.cpp: In function 'int main()': main.cpp:14:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | while(i<b.size()) | ~^~~~~~~~~ main.cpp:18:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | if(j==a.size()) rez.push_back(i-a.size()); | ~^~~~~~~~~~