Leetcode - Find the Highest Altitude Solution
1 min read

Leetcode - Find the Highest Altitude Solution

There is a biker going on a road trip. The road trip consists of n + 1 points at different altitudes. The biker starts his trip on point 0 with altitude equal 0.

You are given an integer array gain of length n where gain[i] is the net gain in altitude between points i​​​​​​ and i + 1 for all (0 <= i < n). Return the highest altitude of a point.

Example 1:

Input: gain = [-5,1,5,0,-7]
Output: 1
Explanation: The altitudes are [0,-5,-4,1,1,-6]. The highest is 1.

Example 2:

Input: gain = [-4,-3,-2,-1,4,3,2]
Output: 0
Explanation: The altitudes are [0,-4,-7,-9,-10,-6,-3,-1]. The highest is 0.

Constraints:

  • n == gain.length
  • 1 <= n <= 100
  • -100 <= gain[i] <= 100

Solution in Python

class Solution:
    def largestAltitude(self, gain: List[int]) -> int:
        highest = 0
        current_altitude = 0
        for i in gain:
            current_altitude+=i
            highest = max(highest,current_altitude)
        return highest

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