Given an array nums representing the data status of this set after the error. Your task is to firstly find the number occurs twice and then find the number that is missing. Return them in the form of an array. Example 1: Input: nums = [1,2,2,4]Output: [2,3] Note: The given a...
iven a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are counted as different substrings even they consist of same characters. Example 1: Input:"abc"Output:3Explanation:Three palindromic strings:"a","b...
this can permit contestants to leverage the 30s (or whatever it is) compile time allotment to speed up the measured runtime of their code, which could help their code pass without a TLE even though their program
tagsgreedyDP You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. Now, we define a pair (c, d) can follow another pair (a, b) if and only if b < c. Chain of pairs can be formed in this fashion. Given a set of pairs, ...