[题目] A. Elevator or Stairs? [描述] Masha要从第x层楼去第y层楼找Egor,可以选择爬楼梯或者坐直升电梯.已知爬楼梯每层需要时间t1:坐直升电梯每层需要时间t2,直升电梯开门或者关门一次需要时间t3,当前直升电梯在第z层楼,直升电梯门是在关闭状态的.如果爬楼梯总时间严格小于坐直升电梯,则选择爬楼梯并输出YES,否则选择坐直升电梯并输出NO. 数据范围:1<=x,y,z,t1,t2,t3<=1000 [思路] 爬楼梯总时长:t1*abs(x-y) 坐直升电梯总时…
Input The first line of the input contains two integers nn and cc (2≤n≤2⋅105,1≤c≤10002≤n≤2⋅105,1≤c≤1000) — the number of floors in the building and the time overhead for the elevator rides. The second line of the input contains n−1n−1 integers a1,a2,…
A. Elevator or Stairs? 签. #include <bits/stdc++.h> using namespace std; ]; int main() { while (scanf("%d%d%d", &x, &y, &z) != EOF) { ; i < ; ++i) scanf("%d", t + i); ] + * t[]; ]; puts(a <= b ? "YES" :…
A - Yet Another Dividing into Teams 题意:n个不同数,分尽可能少的组,要求组内没有两个人的差恰为1. 题解:奇偶分组. int a[200005]; void test_case() { int n; scanf("%d", &n); for(int i = 1; i <= n; ++i) scanf("%d", &a[i]); sort(a + 1, a + 1 + n); int ans = 1; for…
http://codeforces.com/problemset/problem/1249/E E. By Elevator or Stairs? time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are planning to buy an apartment in a n -floor building. The f…
题目传送门 A .Yet Another Dividing into Teams sol:原先是用比较复杂的方法来解的,后来学弟看了一眼,发现不是1就是2,当出现两个人水平相差为1就分成两组,1组全是奇数,1组全是偶数,必然符合题意. 思维 #include "bits/stdc++.h" using namespace std; #define debug puts("what the fuck"); typedef long long LL; typedef p…
目录 Abstract Introduction Topic Request Elevator Analysis Reading Requests Coordinating Scheduling and controling Elevator simulation Course P5-P6 Reading (and coordinating) Scheduling and controling Elevator simulation P7 Reading and coordinating Sch…
Time Limit: 1sec Memory Limit:32MB Description John is moving to the penthouse of a tall sky-scraper. He packed all his stuff in boxes and drove them to the entrance of the building on the ground floor. Unfortunately the elevator is out of order,…
Elevator Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 56481 Accepted Submission(s): 30942 Problem Description The highest building in our city has only one elevator. A request list is made…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? 这个爬梯子问题最开始看的时候没搞懂是让干啥的,后来看了别人的分析后,才知道实际上跟斐波那契数列非常相似,假设梯子有n层,那么如何爬到第n层呢,因为每次只能怕1或2步,那…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Have you met this question in a real interview? Yes Example Given an example n=3 , 1…
July 28, 2015 Problem statement: You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? The problem is most popular question in the algorit…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Example Given an example n=3 , 1+1+1=2+1=1+2=3 return 3 For the problem, try to thin…
Description The cows are going to space! They plan to achieve orbit by building a sort of space elevator: a giant tower of blocks. They have K (1 <= K <= 400) different types of blocks with which to build the tower. Each block of type i has height h…
From: https://discuss.leetcode.com/topic/89/write-elevator-program-using-event-driven-programming/9 We can divide into three main components: User User presses the floor button (can be up or down direction) to summon the elevator. User presses the el…
[题目链接] The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specified order. It costs 6 seconds to move the elevator up one floor, and…
Search a 2D Matrix Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted from left to right. The first integer of each row is greater than the last integer…
作业提交时间:10月9日上课前. Design and implement an Elevator Scheduler to aim for both correctness and performance, in managed code. Skills to learn and practice: a) Peer to peer collaboration b) Requirement Analysis c) Design by contract, Int…
Climbing Stairs https://leetcode.com/problems/climbing-stairs/ You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? 算法描述 (1)这道题其实是一道fibon…
Space Elevator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9970 Accepted: 4738 Description The cows are going to space! They plan to achieve orbit by building a sort of space elevator: a giant tower of blocks. They have K (1 <= K <…
Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Description The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will s…
[前言] 很久没有纯粹的写写小代码,偶然想起要回炉再来,就去HDU随便选了个最基础的题,也不记得曾经AC过:最后吃惊的发现,思路完全不一样了,代码风格啥的也有不小的变化.希望是成长了一点点吧.后面定期去做做题.保持青春的活力! 1.青年回炉 Problem : 1008 ( Elevator ) Run ID Submit Time Judge Status Pro.ID Exe.Time Exe.Memory Code Len. Language Author 9098607 2013-0…
Elevator Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 51396 Accepted Submission(s): 28377 Problem Description The highest building in our city has only one elevator. A request list is made up w…
The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specified order. It costs 6 seconds to move the elevator up one floor, and 4 seco…
1- 问题描述 You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? 2- 思路分析 很自然的会想到递归,假设 n 级台阶有 T(n) 种不同走法.最后一步存在两种情况:剩下 1 级台阶,或者,剩下 2 级台阶. 第一种情…
