Create 0215-kth-largest-element-in-an-array.rs

Leetcode Submission: https://leetcode.com/problems/kth-largest-element-in-an-array/submissions/1012381844/

Author: felivalencia3

Diff for: rust/0215-kth-largest-element-in-an-array.rs

@@ -0,0 +1,18 @@
+https://leetcode.com/problems/kth-largest-element-in-an-array/submissions/1012381844/
+  
+use std::collections::BinaryHeap;
+impl Solution {
+    pub fn find_kth_largest(nums: Vec<i32>, k: i32) -> i32 {
+        let mut heap = BinaryHeap::new();
+        for &n in nums.iter() {
+            if heap.len() < k as usize {
+                heap.push(-n);
+                continue;
+            } else if -heap.peek().unwrap() < n {
+                heap.pop();
+                heap.push(-n);
+            }
+        }
+        -heap.pop().unwrap()
+    }
+}