add: 220622

cpp/2206/220622.cpp

@@ -0,0 +1,16 @@
+#include <vector>
+#include <algorithm>
+
+/**
+ * 215. Kth Largest Element in an Array
+ * Given an integer array nums and an integer k, return the kth largest element in the array.
+ * Note that it is the kth largest element in the sorted order, not the kth distinct element.
+ */
+
+class Solution {
+public:
+	int findKthLargest(std::vector<int>& nums, int k) {
+		std::nth_element(nums.begin(), nums.begin() + (k - 1), nums.end(), std::greater<>());
+		return nums[k - 1];
+	}
+};