#268.  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 should run in linear runtime complexity. Co…

Missing number 题目: Description There is a permutation without two numbers in it, and now you know what numbers the permutation has. Please find the two numbers it lose.   Input There is a number T shows there are T test cases below. (T≤10) For each t…

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 should run in linear runtime complexity. Could you i…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5166 Missing number Description There is a permutation without two numbers in it, and now you know what numbers the permutation has. Please find the two numbers it lose. Input There is a number T shows t…

268. 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 should run in linear runtime complexity. Could…

Missing number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) [Problem Description] There is a permutation without two numbers in it, and now you know what numbers the permutation has. Please find the two numbers…

Given an array of size n-1 and given that there are numbers from 1 to n with one missing, the missing number is to be found. Input: The first line of input contains an integer T denoting the number of test cases.The first line of each test case is N.…

1144 The Missing Number (20 分)   Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integ…

Given an array contains N numbers of 0 .. N, find which number doesn't exist in the array. Example Given N = 3 and the array [0, 1, 3], return 2. Challenge Do it in-place with O(1) extra memory and O(n) time. 这道题是LeetCode上的原题,请参见我之前的博客Missing Number…

1144 The Missing Number(20 分) Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer…

http://www.lintcode.com/en/problem/find-the-missing-number/# Find the Missing Number Given an array contains N numbers of 0 .. N, find which number doesn't exist in the array.   Example Given N = 3 and the array [0, 1, 3], return 2. Challenge Do it i…

1144 The Missing Number(20 分) Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer…

Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. 原题地址: Missing Number 难度: Easy 题意: 存在一个长度为n的数组,其中数值包括在[0, n]之中,返回缺少的那个数 思路1: (1)类似217. Contains Duplicate@python,采用正负计数方式,将数组中的值与数组索引…

268. Missing Number Total Accepted: 31740 Total Submissions: 83547 Difficulty: Medium 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.…

Source: PAT A1144 The Missing Number (20 分) Description: Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first lin…

1144 The Missing Number (20 分)   Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integ…

题目链接:1144 The Missing Number (20 point(s)) Description Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification Each input file contains one test case. For each case, the first line g…

数学题 172. Factorial Trailing Zeroes Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. (Easy) 分析:求n的阶乘中末位0的个数,也就是求n!中因数5的个数(2比5多),简单思路是遍历一遍,对于每个数,以此除以5求其因数5的个数,但会超时. 考虑到一个数n比他小…

The Missing Number PAT-1144 #include<iostream> #include<cstring> #include<string> #include<algorithm> #include<cstdio> #include<sstream> #include<set> using namespace std; const int maxn=100005; set<int>se;…

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 should run in linear runtime complexity. Could you implement it u…

题目描述: 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 should run in linear runtime complexity. Could you implement…

转载:http://www.cnblogs.com/grandyang/p/4756677.html 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 should run in li…

题目: 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 should run in linear runtime complexity. Could you implement it…

［抄题］: Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. Example 1 Input: [3,0,1] Output: 2 Example 2 Input: [9,6,4,2,3,5,7,0,1] Output: 8 [暴力解法]: 时间分析: 空间分析: [优化后]: 时间分析: 空间分析: ［奇葩输出…

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 should run in linear runtime complexity. Could you implement it usi…

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.如果sum1>sum2则,sum1-sum2为中断数字,否则说明[min,max]连续,max+1即为所求.接着处理一些边界条件接好.但,太天真了(不过这…

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 should run in linear runtime complexity. Could you implement it usi…

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. 代码如下: public class Solution { public int missingNumber(int[] nums) { Arrays.sort(nums);…

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 should run in linear runtime complexity. Could you implement it usi…

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 should run in linear runtime complexity. Could you implement it usi…