Add 961-NRepeatedElementInSize2NArray.cpp

Author: Rocky-Dewan

Leet_Code/Random Problem/961-NRepeatedElementInSize2NArray.cpp

@@ -0,0 +1,12 @@
+class Solution {
+public:
+    int repeatedNTimes(vector<int>& nums) {
+        std::set<int> s;
+        for(int p = 0; p < nums.size(); p++){
+            if(s.count(nums[p])){return nums[p];}
+            s.insert(nums[p]);
+        }
+
+        return 0;
+    }
+};