Simple Java Solution using Sum of AP


  • 0
    E
    public class Solution {
        public int missingNumber(int[] nums) {
            int sum=0;
            for(int i=0;i<nums.length;i++){
                sum+=nums[i];
            }
            return (nums.length*(nums.length+1)/2)-sum;
        }
    }
    

Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.