目录 AtCoder Beginner Contest 153 题解 A - Serval vs Monster 题意 做法 程序 B - Common Raccoon vs Monster 题意 做法 程序 C - Fennec vs Monster 做法 程序 D - Caracal vs Monster 做法 程序 E - Crested Ibis vs Monster 做法 程序 F - Silver Fox vs Monster 做法 程序 感谢 AtCoder Beginner Co…

2019-09-14 23:16:25 总体感受:节奏尚可,难度尚可.然而还是卡在了最后一题,完全没有想到使用dp. 注意点: 1)Contest的最后一题往往是DP,Graph,这个敏感度需要提高: 2)DP的题目还是远远不够熟练. 801. Minimum Swaps To Make Sequences Increasing 问题描述: 问题求解: keep[i] : 保留i位置的数字,使得[0, i]两个数组递增的最小交换次数. swap[i] : 交换i位置的数字,使得[0, i]两个数…

链接:https://ac.nowcoder.com/acm/contest/153/1047 来源:牛客网 题目描述 给定一个正整数k( ≤ k ≤ ),把所有k的方幂及所有有限个互不相等的k的方幂之和构成一个递增的序列,例如,当k = 3时,这个序列是: ,,,,,,,…(该序列实际上就是:,,+,,+,+,++,…) 请你求出这个序列的第N项的值(用10进制数表示).例如,对于k = ,N = ,正确答案应该是 . 输入描述: 输入1行,为2个正整数,用一个空格隔开:k N(k.N的含义与…

H - A + B Strikes Back A + B is often used as an example of the easiest problem possible to show some contest platform. However, some scientists have observed that sometimes this problem is not so easy to get accepted. Want to try? Input The input co…

Link Aeon 显然字典序最大就是把最小的字母放在最后 Business [动态规划] 简单dp dp[i][j]dp[i][j]dp[i][j]表示到第iii天,当前有jjj块钱,最后返还的钱最多为多少 完全背包转移 Celebration Description 有一个环 ,求把它分成三段,使得每一段内无重复元素,且三段长度可以作为某个三角形的三边的方案数. 一个拆分方案可以看作一个三元组 (a,b,c)(a,b,c)(a,b,c),其中 0<a<b<c≤n0lt alt b l…

    Programming Contest Problem Types Hal Burch conducted an analysis over spring break of 1999 and made an amazing discovery: there are only 16 types of programming contest problems! Furthermore, the top several comprise almost 80% of the problems s…

Area of Mushroom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2390    Accepted Submission(s): 578 Problem Description Teacher Mai has a kingdom with the infinite area. He has n students guard…

Differencia Time Limit: 10000/10000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 601    Accepted Submission(s): 173 Problem Description Professor Zhang has two sequences a1,a2,...,an and b1,b2,...,bn. He wants to…

Rigid Frameworks Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 337    Accepted Submission(s): 273 Problem Description Erik Demaine is a Professor in Computer Science at the Massachusetts Insti…

题目链接: Coding Contest Time Limit: 2000/1000 MS (Java/Others)     Memory Limit: 65536/65536 K (Java/Others) Problem Description A coding contest will be held in this university, in a huge playground. The whole playground would be divided into N blocks,…