12-8-24-Kth Largest Element in a Stream.cpp

class KthLargest {
public:
int K ;
    priority_queue<int,vector<int>,greater<int>>pq;
    KthLargest(int k, vector<int>& nums) {
        K=k;
        for(int i=0;i<k && i<nums.size();i++){
            pq.push(nums[i]);
        }

        for(int i=k; i<nums.size();i++){
            pq.push(nums[i]);
            pq.pop();
        }
    }
    
    int add(int val) {
        pq.push(val);
        if(pq.size()>K)
        pq.pop();
        return pq.top();
    }
};

/**
 * Your KthLargest object will be instantiated and called as such:
 * KthLargest* obj = new KthLargest(k, nums);
 * int param_1 = obj->add(val);
 */