Compilare: main.cpp: In function 'int main()': main.cpp:103:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long unsigned int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | while(pos < v.size() and v[pos].first < q.val) | ~~~~^~~~~~~~~~ main.cpp:109:17: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 109 | if(sol2 != -1) | ~~~~~^~~~~ main.cpp:113:17: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 113 | if(sol3 != -1) | ~~~~~^~~~~