priority Queue has been done

Author: gulshanyadav01

Heap/a.out

@@ -0,0 +1,25 @@
+/*
+author:gulshan yadav
+email: gulshany01@gmail.com
+date: 19-July-2021
+*/
+#include<iostream>
+#include<bits/stdc++.h>
+using namespace std;
+
+
+int main(){
+    // this is max heap; 
+    priority_queue<int> pq; 
+    // this is min heap
+    priority_queue<int, vector<int> , greater<int> > p;
+    p.push(10); 
+    p.push(20);
+    p.push(30); 
+    cout << p.top()<<endl;
+    while(p.empty() == false){
+        cout << p.top()<<" "; 
+        p.pop(); 
+    }
+    return 0; 
+}