find duplicates in array

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[Leetcode] Find all duplicates with an array to find all duplicates in the array

Given an array of integers, 1≤a[i]≤ n (n = size of array), some elements appear twice and others AppE AR once.Find all the elements, appear twice in this array.Could do it without extra space and in O (n)

Leetcode 442. Find all duplicates in an array (finds all duplicates in the array)

Given an array of integers, 1≤a[i]≤ n (n = size of array), some elements appear twice and others AppE AR once.Find all the elements, appear twice in this array.Could do it without extra space and in O (n)

Leetcode 448. Find all Numbers disappeared in an Array & 442. Find all duplicates in an Array

These two questions are interesting, because the elements are 1~n, so the value of each element-1 (mapped to 0~n-1) can be directly used as subscript. This will be nums in the corresponding subscript element *-1 with I means index+1 this element has

Leetcode 80. Delete duplicates in sorted array II (remove duplicates from Sorted Array II)

Title DescriptionGiven a sorted array, you need to Delete the repeating element in place so that each element appears up to two times, returning the new length of the array after it is removed.Instead of using extra array space, you must modify the

Find-all-duplicates-in-an-array (the number of repetitions in a typical array, yes, I did it, but found that someone else had a better idea)

https://leetcode.com/problems/find-all-duplicates-in-an-array/The number of repetitions in a typical array. This is through the jump method, a jump to troubleshoot. The complexity is also O (n) because the check is not repeated.Behind the discovery

& Lt; C # & gt; find the maximum number of duplicates in the array

Find the maximum number of duplicates in the array.Given an int array, there are repeated values. How can we find the maximum number of duplicates? This is a question raised by someone in a community. The solution I think of is grouping. 1. group

(Java) Leetcode 442. Find all duplicates on an array--array of repeated data

Given an array of integers, 1≤a[i]≤ n (n = size of array), some elements appear twice and others AppE AR once.Find all the elements, appear twice in this array.Could do it without extra space and in O (n)

C language array output, bubble sort method, sink sorting method, two-dimensional array output, output alphabetic column length, find duplicates from random array

#include #define SUM 3+4//macro definition is intact using used for test4#include //used for Test8~9#include //used for Test8~9void Test () {//array outputint a[5]={1,2,3,4,5};printf ("Array output,look,please...\n");int a[10];int i;//for (int

"Leetcode-Interview algorithm classic-java Implementation" "026-remove duplicates from Sorted Array (delete duplicate elements in sorted array)"

"026-remove duplicates from Sorted Array (delete duplicate elements in sorted array)""leetcode-Interview algorithm classic-java Implementation" "All topics Directory Index"Original QuestionGiven a sorted array, remove the duplicates in place such,

442 Find all duplicates in an array of duplicate data

Given an integer array A, where 1≤a[i]≤n (n is an array length), where some elements occur two times and other elements appear once.Find all elements that appear two times.Can you solve this problem without going into any extra space and in O (n)

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