Compilare: main.cpp: In function 'int32_t main()': main.cpp:109:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for (int i = 0; i < vals[val].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:112:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | if (i + 1 == vals[val].size()) nextX = n; | ~~~~~~^~~~~~~~~~~~~~~~~~~