src/main/java/com/fishercoder/solutions/_1732.java

package com.fishercoder.solutions;

public class _1732 {
    public static class Solution1 {
        public int largestAltitude(int[] gain) {
            int max = 0;
            int[] altitudes = new int[gain.length + 1];
            for (int i = 0; i < gain.length; i++) {
                altitudes[i + 1] = altitudes[i] + gain[i];
                max = Math.max(max, altitudes[i + 1]);
            }
            return max;
        }
    }
}