// PLEASE WRITE A DRIVEN PROGRAM: mAIN FOR THIS CODE ITS C++

// DO NOT SEND ME fake answer I will put thumbs down

#include #include #include using namespace std; ///* Definition for singly-linked list. struct ListNode { int val; ListNode *next; ListNode(int x) : val(x), next(NULL) {} }; class Solution { public: ListNode* mergeKLists(vector& lists) { priority_queue, greater> minHeap; for (auto list : lists) { while (list) { minHeap.push(list->val); list = list->next; } } ListNode* dummy = new ListNode(0); ListNode* curr = dummy; while (!minHeap.empty()) { curr->next = new ListNode(minHeap.top()); minHeap.pop(); curr = curr->next; } return dummy->next; } };

int main() { }