PAT甲级:1124 Raffle for Weibo Followers (20分) 题干 John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give aw…

1124 Raffle for Weibo Followers (20 分)   John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gif…

1124. Raffle for Weibo Followers (20) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners…

1124 Raffle for Weibo Followers(20 分) John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gifts.…

1124 Raffle for Weibo Followers (20 分) John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gifts…

1124 Raffle for Weibo Followers(20 分) John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gifts.…

John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gifts. Now you are supposed to help him gene…

题意:水题,直接贴代码了.(为什么我第一遍做的时候代码写的那么烦?) 代码: #include <iostream> #include <string> #include <vector> #include <map> #include <fstream> using namespace std; int main() { //ifstream cin("pat.txt"); int forwardCnt,step,start…

Source: PAT A1124 Raffle for Weibo Followers (20 分) Description: John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his…

1124. Raffle for Weibo Followers (20) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners…

PAT (Advanced Level) Practice 1035 Password (20 分) 凌宸1642 题目描述: 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 hard to distinguish 1 (o…

PAT (Advanced Level) Practice 1008 Elevator (20 分) 凌宸1642 题目描述: 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.…

PAT甲级:1152 Google Recruitment (20分) 题干 In July 2004, Google posted on a giant billboard along Highway 101 in Silicon Valley (shown in the picture below) for recruitment. The content is super-simple, a URL consisting of the first 10-digit prime found…

PAT乙级:1072开学寄语(20分) 题干 下图是上海某校的新学期开学寄语:天将降大任于斯人也,必先删其微博,卸其 QQ,封其电脑,夺其手机,收其 ipad,断其 wifi,使其百无聊赖,然后,净面.理发.整衣,然后思过.读书.锻炼.明智.开悟.精进.而后必成大器也! 本题要求你写个程序帮助这所学校的老师检查所有学生的物品,以助其成大器. 输入格式: 输入第一行给出两个正整数 N(≤ 1000)和 M(≤ 6),分别是学生人数和需要被查缴的物品种类数.第二行给出 M 个需要被查缴的物品编号,其…

PAT乙级:1057 数零壹 (20分) 题干 给定一串长度不超过 105 的字符串,本题要求你将其中所有英文字母的序号(字母 a-z 对应序号 1-26,不分大小写)相加,得到整数 N,然后再分析一下 N 的二进制表示中有多少 0.多少 1.例如给定字符串 PAT (Basic),其字母序号之和为:16+1+20+2+1+19+9+3=71,而 71 的二进制是 1000111,即有 3 个 0.4 个 1. 输入格式: 输入在一行中给出长度不超过 105.以回车结束的字符串. 输出格式: 在…

PAT乙级:1082 射击比赛 (20分) 题干 本题目给出的射击比赛的规则非常简单,谁打的弹洞距离靶心最近,谁就是冠军:谁差得最远,谁就是菜鸟.本题给出一系列弹洞的平面坐标(x,y),请你编写程序找出冠军和菜鸟.我们假设靶心在原点(0,0). 输入格式: 输入在第一行中给出一个正整数 N(≤ 10 000).随后 N 行,每行按下列格式给出: ID x y 其中 ID 是运动员的编号(由 4 位数字组成):x 和 y 是其打出的弹洞的平面坐标(x,y),均为整数,且 0 ≤ |x|, |y|…

PAT乙级:1084 外观数列 (20分) 题干 外观数列是指具有以下特点的整数序列: d, d1, d111, d113, d11231, d112213111, ... 它从不等于 1 的数字 d 开始,序列的第 n+1 项是对第 n 项的描述.比如第 2 项表示第 1 项有 1 个 d,所以就是 d1:第 2 项是 1 个 d(对应 d1)和 1 个 1(对应 11),所以第 3 项就是 d111.又比如第 4 项是 d113,其描述就是 1 个 d,2 个 1,1 个 3,所以下一项就是…

PAT乙级:1063 计算谱半径 (20分) 题干 在数学中,矩阵的"谱半径"是指其特征值的模集合的上确界.换言之,对于给定的 n 个复数空间的特征值 { a1+b1i,⋯,a**n+bni },它们的模为实部与虚部的平方和的开方,而"谱半径"就是最大模. 现在给定一些复数空间的特征值,请你计算并输出这些特征值的谱半径. 输入格式: 输入第一行给出正整数 N(≤ 10 000)是输入的特征值的个数.随后 N 行,每行给出 1 个特征值的实部和虚部,其间以空格分隔.注…

1044 火星数字 (20 分) 火星人是以 13 进制计数的: 地球人的 0 被火星人称为 tret. 地球人数字 1 到 12 的火星文分别为:jan, feb, mar, apr, may, jun, jly, aug, sep, oct, nov, dec. 火星人将进位以后的 12 个高位数字分别称为:tam, hel, maa, huh, tou, kes, hei, elo, syy, lok, mer, jou. 例如地球人的数字 29 翻译成火星文就是 hel mar:而火星文…

1041 Be Unique (20 分) Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a number chosen from [1,10​4​​]. The first one who bets on a unique number wins. For…

1068 万绿丛中一点红(20 分) 对于计算机而言,颜色不过是像素点对应的一个 24 位的数值.现给定一幅分辨率为 M×N 的画,要求你找出万绿丛中的一点红,即有独一无二颜色的那个像素点,并且该点的颜色与其周围 8 个相邻像素的颜色差充分大. 输入格式: 输入第一行给出三个正整数,分别是 M 和 N(≤ 1000),即图像的分辨率:以及 TOL,是所求像素点与相邻点的颜色差阈值,色差超过 TOL 的点才被考虑.随后 N 行,每行给出 M 个像素的颜色值,范围在 [0,2​24​​) 内.所有同…

1067 试密码(20 分) 当你试图登录某个系统却忘了密码时,系统一般只会允许你尝试有限多次,当超出允许次数时,账号就会被锁死.本题就请你实现这个小功能. 输入格式: 输入在第一行给出一个密码(长度不超过 20 的.不包含空格.Tab.回车的非空字符串)和一个正整数 N(≤ 10),分别是正确的密码和系统允许尝试的次数.随后每行给出一个以回车结束的非空字符串,是用户尝试输入的密码.输入保证至少有一次尝试.当读到一行只有单个 # 字符时,输入结束,并且这一行不是用户的输入. 输出格式: 对用户的…

1072 开学寄语(20 分) 下图是上海某校的新学期开学寄语:天将降大任于斯人也,必先删其微博,卸其 QQ,封其电脑,夺其手机,收其 ipad,断其 wifi,使其百无聊赖,然后,净面.理发.整衣,然后思过.读书.锻炼.明智.开悟.精进.而后必成大器也! 本题要求你写个程序帮助这所学校的老师检查所有学生的物品,以助其成大器. 输入格式: 输入第一行给出两个正整数 N(≤ 1000)和 M(≤ 6),分别是学生人数和需要被查缴的物品种类数.第二行给出 M 个需要被查缴的物品编号,其中编号为 4…

1144 The Missing Number(20 分) Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer…

1054 The Dominant Color(20 分) 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 largest proportional area is called the dominant color. A str…

1027 Colors in Mars(20 分) People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, where the first 2 digits are for Red, the middle 2 digits for Green, and the l…

1136 A Delayed Palindrome(20 分) Consider a positive integer N written in standard notation with k+1 digits a​i​​ as a​k​​⋯a​1​​a​0​​ with 0≤a​i​​<10 for all i and a​k​​>0. Then N is palindromic if and only if a​i​​=a​k−i​​ for all i. Zero is written…

1011 World Cup Betting(20 分) 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 bet…

1144 The Missing Number (20 分)   Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integ…

1054 The Dominant Color (20 分)   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 largest proportional area is called the dominant color. A …