Compilare: main.cpp: In function 'int rezolvare(char)': main.cpp:76:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | while(i < s.size()) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:127:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | while(it < b.size()) | ~~~^~~~~~~~~~ main.cpp: In function 'int rezolvare(char)': main.cpp:115:1: warning: control reaches end of non-void function [-Wreturn-type] 115 | } | ^