Compilare: main.cpp: In function 'int main()': main.cpp:58:52: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | while (!pq.empty() && dp[x].size() < k) | ~~~~~~~~~~~~~^~~ main.cpp:65:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if (now.idx + 1 < dp[y].size()) | ~~~~~~~~~~~~^~~~~~~~~~~~~~