LeetCode 1539. Kth Missing Positive Number 原题链接在这里:https://leetcode.com/problems/kth-missing-positive-number/description/ 题目: Given an arrayarrof positive integers sorted in a strictly increasing order, and an
代码 class Solution: def findKthPositive(self, arr: List[int], k: int) -> int: start = missingcount = 0 for i in range(len(arr)): missingcount += arr[i] - start - 1 start = arr[i] if missingcount >= k: break if missingcount < k: return start + k - missingcount else:...
CodeTestcase Test Result Test Result 1539. Kth Missing Positive Number Easy Topics Companies Hint Given an array arr of positive integers sorted in a strictly increasing order, and an integer k. Return the kth positive integer that is missing from this array. Example 1: Input: arr = [2...
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...
Explanation: n = 9since there are 9 numbers, so all numbers are in the range[0,9]. 8 is the missing number in the range since it does not appear innums. Constraints: n == nums.length 1 <= n <= 104 0 <= nums[i] <= n ...
技术标签: 牛客网-Leetcode148道第一个缺失的正整数 first-missing-positive 题目描述 给出一个无序的整数型数组,求不在给定数组里的最小的正整数 例如: 给出的数组为[1,2,0] 返回3, 给出的数组为[3,4,-1,1] 返回2. 你需要给出时间复杂度在O(n)之内并且空间复杂度为常数级的算法 Given an ...
[LeetCode 65] Valid Number 题目Validate if a given string can be interpreted as a decimal number. Some examples: "0" => true " 0.1 " => true "abc" => false "1 a" => false "... leetcode(9)——Palindrome Number 题目:Palindrome Number 该题目就是判断一个数字是否是回文数字的问题,...
temp:-temp;}}//找到第一个大于 0 的位置for(inti=0;i<k;i++){if(nums[i]>0){returni+1;}}returnk+1;}privateintpositiveNumber(int[]nums){//解法一 把负数和 0 全部交换到最后/* int n = nums.length;for (int i = 0; i < n; i++) {while (nums[i] <= 0) {swap(nums, i,...
C Code: //https://github.com/begeekmyfriend/leetcode/blob/master/041_first_missing_positive/missing_positive.c #include <stdio.h> #include <stdlib.h> static inline void swap_val(int *x, int *y) { int tmp = *x; *x = *y; *y = tmp; } static int first_Missing_Positive_num(in...
[Leetcode] Missing Number and Missing First Positive 找缺失数 Missing Number Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. For example, Given nums = [0, 1, 3] return 2. Note: Your algorithm ......