代码(Python3) class Solution: def missingNumber(self, nums: List[int]) -> int: # ans 初始化为 0 ^ n = n ,因为下标的范围为 [0, n - 1] ans: int = len(nums) # 带下标遍历 nums for i, num in enumerate(nums): # 异或下标 ans ^= i # 异或数组内的数 ans ^= num # 此时 ...
Runtime:160 ms, faster than30.48% of Python3 online submissions for Missing Number. Memory Usage:15.1 MB, less than39.86% of Python3 online submissions for Missing Number. 【解法二】 思路同上,另一种写法 classSolution:defmissingNumber(self, nums): nums.sort()#Ensure that n is at the last ...
Input: [9,6,4,2,3,5,7,0,1] Output: 8 Note: Your algorithm should run in linear runtime complexity. Could you implement it using only constant extra space complexity? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 classSolution(object): defmissingNumber(self, nums): """ :type nums: L...
LeetCode Username endlesscheng Problem Number, Title, and Link Separate Squares IIhttps://leetcode.com/problems/separate-squares-ii/description/ Bug Category Missing test case(Incorrect/Inefficient Code getting accepted because of missing test cases) Bug Description A new constraintThe total area of a...
LeetCode Username endlesscheng Problem Number, Title, and Link The Latest Time to Catch a Bus https://leetcode.com/problems/the-latest-time-to-catch-a-bus/description/ Bug Category Missing test case (Incorrect/Inefficient Code getting ac...
classSolution { publicintmissingNumber(int[] nums) { intxor =0, i =0; for(i =0; i < nums.length; i++) { xor = xor ^ i ^ nums[i]; } returnxor ^ i; } } Python: 1 2 3 defmissingNumber(self, nums): n=len(nums) ...
Missing Number @leetcode ndistinct numbers taken from0, 1, 2, ..., n, find the one that is missing from the array. For example, Givennums=[0, 1, 3]return2. classSolution(object):defmissingNumber(self, nums):""":type nums: List[int]...
https://leetcode.com/problems/missing-number/ Given an array containingndistinct numbers taken from0, 1, 2, ..., n, find the one that is missing from the array. For example, Givennums=[0, 1, 3]return2. classSolution(object):defmissingNumber(self, nums):#Runtime: 56 ms""":type ...
leetcode 268. Missing Number 用异或解决 用https://www.cnblogs.com/grandyang/p/4756677.html的第二种方法 classSolution {public:intmissingNumber(vector<int>&nums) {intlength =nums.size();if(length <=0)return-1;intres =0;for(inti =1;i <= nums.size();i++){...
https://leetcode.com/discuss/53790/1-lines-ruby-python-java-c https://leetcode.com/discuss/53871/java-simplest-solution-o-1-space-o-n-time https://leetcode.com/discuss/58647/line-simple-java-bit-manipulate-solution-with-explaination