1480_Running Sum of 1d Array.java

/**
 *  @author WasitShafi
 *  @since  25-JUL-2021
 */

class Solution {
  public int[] runningSum(int[] nums) {
    int ans[] = new int[nums.length];
    
    for (int i = 0; i < nums.length; i++) {
      if (i == 0) {
        ans[i] = nums[i];
      } else {
        ans[i] = ans[i - 1] + nums[i];
      }
    }
    return ans;
  }
}