LeetCode2640. Find the Score of All Prefixes of an Array

class Solution {
    public long[] findPrefixScore(int[] nums) {
        int max = nums[0];
        long[] conv = new long[nums.length];
        int n = nums.length;

        for(int i = 0; i < n; i++){
            max = Math.max(max, nums[i]);
            conv[i] = (long)(nums[i] + max);
        }
        
        for(int i = 1; i < n; i++){
            conv[i] += conv[i-1];
        }
        return conv;
    }
}