Compilare: main.cpp: In function 'void imhashingit(std::string&, std::vector<int>&)': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i = 1; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:169:62: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 169 | for(int j = overlap[orderans[i - 1]][orderans[i]]; j < s[orderans[i]].size(); j ++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~