Add C++ implementation

Signed-off-by: begeekmyfriend <[email protected]>

Author: begeekmyfriend

0162_find_peak_element/peak.c

@@ -1,14 +1,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-static int findPeakElement(int* nums, int numsSize)
-{
-    if (numsSize == 1) {
-        return nums[0];
-    }
 
+int findPeakElement(int* nums, int numsSize)
+{
     int i;
-    for (i = 1; i < numsSize && nums[i] > nums[i - 1]; i++) {}
+    for (i = 1; i < numsSize; i++) {
+        if (nums[i] < nums[i - 1]) {
+            break;
+        }
+    }
     return i - 1;
 }
 

0162_find_peak_element/peak.cc

@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+class Solution {
+public:
+    int findPeakElement(vector<int>& nums) {
+        int i;
+        for (i = 1; i < nums.size(); i++) {
+            if (nums[i] < nums[i - 1]) {
+                break;
+            }
+        }
+        return i - 1;
+    }
+};