Create 2206. Divide Array Into Equal Pairs

Author: Chayandas07

2206. Divide Array Into Equal Pairs

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+class Solution {
+public:
+    bool divideArray(vector<int>& nums) {
+        bool freq[501] = {};
+        for (int num : nums)
+            freq[num] = !freq[num];
+        for (int num : nums)
+            if (freq[num])
+                return false;
+        return true;
+    }
+};