Create Code Testcase Test Result Test Result 1352. Product of the La…

Code Testcase Test Result Test Result 1352. Product of the Last K Numbers

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+class ProductOfNumbers {
+public:
+    vector<int> nums;
+    int n;
+    ProductOfNumbers() {
+        nums.clear();
+        n = 0;
+    }
+
+    void add(int num) { nums.push_back(num); }
+
+    int getProduct(int k) {
+        int n = nums.size();
+        int prod = 1;
+        for (int i = n - k; i < n; i++) {
+            prod *= nums[i];
+        }
+        return prod;
+    }
+};
+
+/**
+ * Your ProductOfNumbers object will be instantiated and called as such:
+ * ProductOfNumbers* obj = new ProductOfNumbers();
+ * obj->add(num);
+ * int param_2 = obj->getProduct(k);
+ */