题目描述 请设计一个高效算法,查找数组中未出现的最小正整数. 给定一个整数数组A和数组的大小n,请返回数组中未出现的最小正整数.保证数组大小小于等于500. 测试样例: [-1,2,3,4],4 返回:1 Solution 1: class ArrayMex { public: int findArrayMex(vector<int> A, int n) { // write code here // n <= 500 map<int, int> myMap; ; i <…
A. Mahmoud and Ehab and the MEX time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Dr. Evil kidnapped Mahmoud and Ehab in the evil land because of their performance in the Evil Olympiad in In…
C. Alyona and mex Problem Description: Alyona's mother wants to present an array of n non-negative integers to Alyona. The array should be special. Alyona is a capricious girl so after she gets the array, she inspects m of its subarrays. Subarray is…
C. Alyona and mex time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output Alyona's mother wants to present an array of n non-negative integers to Alyona. The array should be special. Alyona is…
