First Missing Positive && missing number https://leetcode.com/problems/first-missing-positive/ 我原以为数组中不会有重复的数字,所以利用min、max分别记录给定数组中出现的最小正整数和最大正整数{可以求出这之间的所有数值之和sum2=(min+max)*(max-min+1)/2},并且遍历给定数组,将所有正整数求和计入sum1...
public class Solution { public int missingNumber(int[] nums) { int res = 0; for(int i = 0; i <= nums.length; i++){ res ^= i == nums.length ? i : i ^ nums[i]; } return res; } } First Missing Positive Given an unsorted integer array, find the first missing positive int...
Smallest Missing Non-negative Integer After Operations Maximum Number of Integers to Choose From a Range II 参考资料: https://leetcode.com/problems/first-missing-positive/ https://leetcode.com/problems/first-missing-positive/discuss/17071/My-short-c++-solution-O(1)-space-and-O(n)-time LeetCo...
public int firstMissingPositive(int[] A) { int i = 0; while(i < A.length){ //we want every A[i] = i+1, so we can find the first missing one //if A[i] is negative or out of scope, or it's in desired position, continue if(A[i] == i+1 || A[i] <= 0 || A[i...
Leetcode class Solution: def singleNumber(self, nums: List[int]) -> int: ## 方法一:位运算 res = 0 for i in nums: res ^= i return res ## 方法二:位运算 reduce return reduce(lambda x, y: x ^ y, nums) ## 方法三:dict
[LeetCode]41 First Missing Positive,https://oj.leetcode.com/problems/first-missing-positive/http://blog.csdn.net/linhuanmars/article/details/20884585public class Solution { public int f
Demonstrate all the questions on LeetCode in the form of animation.(用动画的形式呈现解LeetCode题目的思路) - firstgod1/LeetCodeAnimation
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publicintfirstMissingPositive(int[]nums){intn=nums.length;//将正数移到前边,并且得到正数的个数intk=positiveNumber(nums);for(inti=0;i<k;i++){//得到要标记的下标intindex=Math.abs(nums[i])-1;if(index<k){//判断要标记的位置的数是不是小于 0,不是小于 0 就取相反数inttemp=Math.abs(nums...
package leetcode import "sort" /** * Forward declaration of isBadVersion API. * @param version your guess about first bad version * @return true if current version is bad * false if current version is good * func isBadVersion(version int) bool; */ func firstBadVersion(n int) int { re...