WebMar 30, 2024 · The repeating element is 5 and the missing element is 1 Time Complexity: O (n) Auxiliary Space: O (1) as it is using constant variables Thanks to Manish Mishra for suggesting this method. Method 4 (Make two equations) Approach: Let x be the missing and y be the repeating element. Get the sum of all numbers using formula S = n (n+1)/2 – x + y WebFeb 15, 2024 · Below is the solution that is similar to Method 5. Efficient approach: Approach: The elements in the array is from 0 to n-1 and all of them are positive. So to find out the duplicate elements, a HashMap is required, but the question is to solve the problem in constant space.
First Repeating element InterviewBit
WebSep 15, 2014 · The first repeating element is 5 Time Complexity: O (n). Auxiliary Space: O (n). Thanks to Mohammad Shahid for suggesting this solution. Find the first repeating … WebSOLUTION 1 Sort the input array. Traverse the array and check for missing and repeating. Time Complexity: O (n log n) SOLUTION 2 Use count array Time Complexity: O (n), O (n) space SOLUTION 3 Use elements as index and mark visited as negative (if input is positive) Time Complexity: O (n) Solution ip relay purple
java - First non repeated character - Code Review Stack Exchange
WebSep 25, 2024 · Print the first non repeating character in a string. Example : In the string somecharsjustdon'tliketorepeat, m is the first non-repeating charecter. My attempt : New Code : Old one was not working as expected so I have updated the post. Old code can be found below new code WebMay 19, 2024 · 2. Max Continuous Series of 1s. Problem Description. Given a binary array A and a number B, we need to find length of the longest subsegment of ‘1’s possible by … WebMar 21, 2024 · Can you solve this real interview question? Single Number II - Given an integer array nums where every element appears three times except for one, which appears exactly once. Find the single element and return it. You must implement a solution with a linear runtime complexity and use only constant extra space. Example 1: Input: nums = … oramorph name