https://www.hackerrank.com/challenges/minimum-swaps-2/problem Minimum Swaps II You are given an unordered array consisting of consecutive integers [1, 2, 3, ..., n] without any duplicates. You are allowed to swap any two elements. You need to find t…
Codeforces Round #258 (Div. 2) Sort the Array B. Sort the Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Being a programmer, you like arrays a lot. For your birthday, your friends ha…
B. Sort the Array 题目连接: http://codeforces.com/contest/451/problem/B Description Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers. Unfortunately, the size of a is to…
B. Sort the Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distin…
you have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'varchar(255), sort integer not null, state integer not null, primary key (id))' at line 1 原因:字段使用了key,key是mysql的关键字…
11.2 Write a method to sort an array of strings so that all the anagrams are next to each other. 这道题让我们给一个字符串数组排序,让所有的变位词Anagrams排在一起,关于变位词,LeetCode里有两道相关的题目Anagrams 错位词和Valid Anagram 验证变位词.那么对于这道题,我们有两种方法可以实现,先来看第一种方法,来重写sort中的比较函数compare,参见代码如下: 解法…
［抄题］: Given a sorted array of integers nums and integer values a, b and c. Apply a quadratic function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example 1…
Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example: nums = [-4, -2,…
Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example: nums = [-4, -2,…
Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example: nums = [-4, -2,…
原题链接在这里:https://leetcode.com/problems/sort-transformed-array/description/ 题目: Given a sorted array of integers nums and integer values a, b and c. Apply a quadratic function of the form f(x) = ax2 + bx + c to each element x in the array. The returned…
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…
Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example: nums = [-, -, ,…
Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) = ax2 + bx + c to each element x in the array. The returned array must be in sorted order. Expected time complexity: O(n) Example: nums = [-4, -2,…
nsertion sort is another sorting algorithm that closely resembles how we might sort items in the physical world. We start at the second item in our collection and make the assumption that this item is a sorted list of length 1. We then compare all th…
这个是O(n2)的排序的总结 /* bubble sort */public static void sortIntegers(int[] A) { // Write your code here int len = A.length; if (len == 0) return; for (int j = 0; j < len; ++j) { for (int i = 0; i < len-1-j; ++i) { // len-1-j if (A[i] > A[i+1]) { int t…
1.这个题不难,关键在于把题目意思理解好了.这个题问的不清楚.要求return new length,很容易晕掉.其实就是return 有多少个单独的数. import java.util.Arrays; /* * Question: Given a sorted array,remove the duplicates in place such that each element * appear only once and return the new length * * Do not a…
If given a function that generates a random number from 1 to 5, how do you use this function to generate a random number from 1 to 7 with the same probability? (ie. function a has probability 1/5 per number, function b would have probability 1/7). in…
一元二次方程...仿佛回到了初中. 主要看a的情况来分情况讨论: =0,一次函数,根据b的正负单调递增递减就行了. <0,凸状..从nums[]左右两边开始往中间一边比较一边 从右往左 放: 0,凹状..从左往右.. public class Solution { public int[] sortTransformedArray(int[] nums, int a, int b, int c) { int n = nums.length; int[] res = new int[n]; int…
