Compilare: main.cpp: In function 'bool grad(int, int)': main.cpp:34:28: warning: comparison of integer expressions of different signedness: 'std::vector<hashes>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 34 | if( cuvinte[v[0]].size() <= g ) | ~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:39:30: warning: comparison of integer expressions of different signedness: 'std::vector<hashes>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | if( cuvinte[v[i]].size() <= g || !hash_cmp( cuvinte[v[i - 1]][g], cuvinte[v[i]][g] ) ) | ~~~~~~~~~~~~~~~~~~~~~^~~~