2021-11-06

[Zheaoli]

2021-11-06

[jingkecn]

/*
 * @lc app=leetcode.cn id=268 lang=csharp
 *
 * [268] 丢失的数字
 */

// @lc code=start
public class Solution {
    public int MissingNumber(int[] nums) {
        var result = 0;
        for (int i = 0; i <= nums.Length; i++)
        {
            result += i;
        }

        foreach (var num in nums)
        {
            result -= num;
        }

        return result;
    }
}
// @lc code=end

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