Added 1822B - Karina and Array.cpp

Author: vikashpatel24

1822B - Karina and Array.cpp

@@ -0,0 +1,26 @@
+//                                 ॐ नमः शिवाय
+#include<bits/stdc++.h>
+using namespace std;
+#define ll long long
+ 
+// Code Written By: Vikash Patel
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+ 
+int main()
+{
+    int t;
+    cin>>t;
+    while(t--)
+    {
+        ll n;
+        cin>>n;
+        ll a[n];
+        for(int i=0; i<n; i++)
+        {
+            cin>>a[i];
+        }
+        sort(a,a+n, greater<int>());
+        cout<<max(a[0]*a[1], a[n-1]*a[n-2])<<endl;
+    }
+    return 0;
+}