1050. String Subtraction (20) 时间限制 10 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard Given two strings S1 and S2, S = S1 - S2 is defined to be the remaining string after taking all the characters in S2 from S1. Your task is simply to calculate S1 - S2…

1020. Tree Traversals (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output…

1013. Battle Over Cities (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that cit…

1009. Product of Polynomials (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue This time, you are supposed to find A*B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case oc…

1042. Shuffling Machine (20) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "inside…

1019. General Palindromic Number (20) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic…

With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing battles for the World Cup trophy in South Africa. Similarly, football betting fans were putting their…

#include <stdio.h> #include <iostream> #include <algorithm> #include <math.h> #include <string.h> #include <queue> #include <stack> #define N 400 #define ll int using namespace std; struct node{  ll gold,all,pre,n…

1012. The Best Rank (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mathematic…

1003. Emergency (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

1038. Recover the Smallest Number (30) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87},…

1047. Student List for Course (25) 时间限制 400 ms 内存限制 64000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Zhejiang University has 40000 students and provides 2500 courses. Now given the registered course list of each student, you are supposed to output…

1054. The Dominant Color (20) 时间限制 100 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard Behind the scenes in the computer's memory, color is always talked about as a series of 24 bits of information for each pixel. In an image, the color with the larges…

1059. Prime Factors (25) 时间限制 50 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 HE, Qinming Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1 * p2^k2 *…*pm^km. Input Specificatio…

1023. Have Fun with Numbers (20) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 246913…

1024. Palindromic Number (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number.…

1061. Dating (20) 时间限制 50 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Sherlock Holmes received a note with some strange strings: "Let's date! 3485djDkxh4hhGE 2984akDfkkkkggEdsb s&hgsfdk d&Hyscvnm". It took him only a minut…

1035. Password (20) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue To prepare for PAT, the judge sometimes has to generate random passwords for the users. The problem is that there are always some confusing passwords since it is…

1031. Hello World for U (20) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld" can be printed as: h…

1029. Median (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1={11, 12, 13, 14} is 12, and the median…

1025. PAT Ranking (25) 时间限制 200 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed to run simultaneous…

1048. Find Coins (25) 时间限制 50 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which could accept a…

Given a sequence of K integers { N1, N2, ..., NK }. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj } where 1 <= i <= j <= K. The Maximum Subsequence is the continuous subsequence which has the largest sum of its elements. For examp…

前言 蒟蒻有参加了ACM比赛,这一次有适合HY和慕容宝宝大佬一起比的,他们好巨啊,把我带飞了. 又是窝掌机,QAQ,他们仗着自己巨,就欺负窝... 我又打了\(4\)个小时的代码,而且那个键盘太恶心了.忍不住吐槽一下.. 早上 首先是热身赛. 忍不住继续吐槽. 早上的\(c\)题就是一个毒瘤.是一道提交答案题. 给你\(12\)个动漫角色,然后让你写出他们的名字.(反正题目就差不多这样子...) 我找出来了\(9\)个,然后就断网了...淦... A-Thanks,Tu Simple 他们两个人…

2019浙师大校赛(浙大命题)(upc复现赛)总结 早上九点开始.起得迟了,吃了早饭慌慌张张跑过去,刚到比赛就开始了. 开始分别从前往后和从后往前看题,一开始A题,第一发WA,第二次读题发现漏看了还有空格,再交过.D题去重输出不同数字个数,J题忘了.B题和宝儿说完ta就有了思路,不过一开始看差了范围数组开小了,RE了几发. Ps: B题考虑一下就会发现,题目要求的是找三个数a.b.c,使a+ b- c> 0,即a+ b> c(找三边使之可以构成一个三角形).当a+ b= c时,a,b,c为斐波…

我要举报本次校赛出题人的消极出题!!! 官方题解请戳:http://3.scnuacm2015.sinaapp.com/?p=89(其实就是一堆代码没有题解) A. 树链剖分数据结构板题 题目大意:我没看,看不懂. 基本思路:我不会. 参考代码:找Oyk老师和Czj老师去. B. The background of water problem 题目大意(大写加粗的水题):给定$N$个学生和他们$K$个科目的成绩$S_i$,再给出各科目$K_i$的权重顺序$Q_i$,求排名之后,拥有id为$X$的…

以下代码为了阅读方便,省去以下头文件: #include <iostream> #include <stdio.h> #include <math.h> #include <string.h> #include <time.h> #include <stdlib.h> #include <string> #include <bitset> #include <vector> #include <…

2561: 最小生成树(题解) Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 1628  Solved: 786 传送门:http://www.lydsy.com/JudgeOnline/problem.php?id=2561 Description 给定一个边带正权的连通无向图G=(V,E),其中N=|V|,M=|E|,N个点从1到N依次编号,给定三个正整数u,v,和L (u≠v),假设现在加入一条边权为L的边(u,v),那么需要删掉最少多少条…

Problems     # Name     A Infinite Sequence standard input/output 1 s, 256 MB    x3509 B Restoring Painting standard input/output 1 s, 256 MB    x2519 C Money Transfers standard input/output 1 s, 256 MB    x724 D Tree Construction standard input/outp…

题目链接 提交连接:http://acm-software.hrbust.edu.cn/problemset.php?page=5 1470-1482 只做出来四道比较水的题目,还需要加强中等题的训练. 题解: E666 这个题是让求有多少个子串只含有6.寻找连续的6,然后用n*(n+1)/2求出这一段的子串个数,然后把每一段连续的加起来. 做的时候wa了很多次,原来是在n*(n+1)的地方已经超过int型了,所以需要设置类型为long long. #include <cstdio> #inc…