Compilare: main.cpp: In function 'bool check(int)': main.cpp:53:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int finish = len; finish < v[i].size(); finish++) { | ~~~~~~~^~~~~~~~~~~~~ main.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i < hashuri[0].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~