Merge pull request ashvish183#11 from Ks103/main

Added new c++ code

Number of Good Pairs.c++

@@ -0,0 +1,14 @@
+class Solution {
+public:
+    int numIdenticalPairs(vector<int>& nums) {
+        int res=0;
+        for(int i=0;i<nums.size();i++){
+            for(int j=i+1;j<nums.size();j++){
+                if(nums[i]==nums[j]){
+                    res++;
+                }
+            }
+        }
+        return res;
+    }
+};