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1001. A+B Format (20)
今天开始刷PAT了，报了18号考试，剩下这几天一点信心都没有，甲级题库有139题，想把甲级题库刷完，压力山大，每天至少要8题，哎，我现在给自己定目标是5题，刷一半就好了。说回本题，第一题就打击我了，我没认真看就以为是大数减价，立马开了个数组，做一个位运算，然后发现。。。他喵的原来只是考输出格式。Calculate a + b and output the sum in standard forma...原创 2018-02-28 11:55:53 · 259 阅读 · 0 评论 -
1013. Battle Over Cities (25)
做了2h，可见，对图的掌握还是不够。。。。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 city are closed. We must know ...原创 2018-03-09 23:41:43 · 107 阅读 · 0 评论 -
1014. Waiting in Line (30)
喵的，看到各位大神说，这题很简单呀，用队列模拟就好。。。。可是我想了很久呀。。。还有已接的业务可以做到17：59这个大坑呀。Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two part...原创 2018-03-11 14:00:17 · 191 阅读 · 0 评论 -
1016. Phone Bills (25)
A long-distance telephone company charges its customers by the following rules: Making a long-distance call costs a certain amount per minute, depending on the time of day when the call is made. When...原创 2018-03-12 22:23:53 · 153 阅读 · 0 评论 -
PAT的考后感
终于考完了PAT，成绩在意料之中吧。总结一下失败经验吧。 一、毕竟准备得并不充分，或者叫实力不足，这是首要原因，下面的都是次要原因。以后打算还是一天一条PAT，一天一章python学习。 二、对IDE不熟悉，考场有code block，但打开提示找不到编译器路径，然后就不知道怎么处理了，最后还是放弃，只能用visual studio。哎，真心用不惯这货。 ...原创 2018-03-20 19:15:32 · 8887 阅读 · 1 评论 -
1027. Colors in Mars (20)
1027. Colors in Mars (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 People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a c...原创 2018-03-26 17:19:57 · 123 阅读 · 0 评论 -
1028. List Sorting (25)
1028. List Sorting (25) 时间限制 200 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Excel can sort records according to any column. Now you are supposed to imitate this function. Input Each...原创 2018-03-26 17:28:58 · 107 阅读 · 0 评论 -
1029. Median (25)
一连几题都不觉得难，让我产生了一种我也很强的错觉。。。。。这题就是简单的排序，自从学会用qsort之后觉得排序问题都弱爆了。一开始没有留意到题目给出的两个数组已经有序的，我就将两个数组合成一个，然后直接qsort。这时犯了一个逗比的错误，我知道两个1000000会超过数组最大长度，不能直接a[1000000]定义，会出现段错误。要用malloc申请空间，逗比的我只对sque这样做了，Q1和Q2继续...原创 2018-03-27 14:17:47 · 295 阅读 · 0 评论 -
1033. To Fill or Not to Fill (25)
居然用例2的起点压根没有加油站。。。。MMPWith highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find gas stations on the way from time...原创 2018-04-02 23:24:03 · 161 阅读 · 0 评论 -
1030. Travel Plan (30)
1030. Travel Plan (30) 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 A traveler's map gives the distances between cities along the highways, together with the cost of each highwa...原创 2018-03-28 21:14:32 · 176 阅读 · 0 评论 -
1009. Product of Polynomials (25)
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 occupies 2 lines, and each line contains the informa...原创 2018-03-02 14:31:15 · 126 阅读 · 0 评论 -
1012. The Best Rank (25)
To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mathematics (Calculus or Linear Algebra), and E - Eng...原创 2018-03-09 21:27:41 · 127 阅读 · 0 评论 -
1002. A+B for Polynomials (25)
This time, you are supposed to find A+B where A and B are two polynomials.InputEach input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomia...原创 2018-02-28 14:53:04 · 110 阅读 · 0 评论 -
1010. Radix (25)
Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is "yes", if 6 is a decimal number and 110 is a binary number. Now for any pair of positive in...原创 2018-03-08 17:10:35 · 122 阅读 · 0 评论 -
1011. World Cup Betting (20)
题目在这里巨坑，不对0.01四舍五入题目例子是错的，是37.97，最后加了0.005才是37.98.但是提交时候却不需要0.005With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best...原创 2018-03-08 21:44:21 · 223 阅读 · 0 评论 -
1003. Emergency (25)
下午时候还说要做8题呢。。。。到现在才完成3题。。。还是要看书和看网上答案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 o...原创 2018-02-28 23:52:11 · 169 阅读 · 0 评论 -
1004. Counting Leaves
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Each input file contains one test case. Each case starts with a line con...原创 2018-03-01 16:24:05 · 131 阅读 · 0 评论 -
1005. Spell It Right (20)
Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specification: Each input file contains one test case. Eac...原创 2018-03-01 17:09:12 · 100 阅读 · 0 评论 -
1006. Sign In and Sign Out
终于可以独立自己做完一题。。。。。可是怎么都开心不起来呢#include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include <string.h> struct person { char IDty[100]; int logIn[3]; int logOu...原创 2018-03-01 20:21:28 · 167 阅读 · 0 评论 -
1007. Maximum Subsequence Sum
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 subsequen...原创 2018-03-01 22:20:06 · 124 阅读 · 0 评论 -
1008. Elevator (20)
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 sec...原创 2018-03-01 23:00:12 · 133 阅读 · 0 评论 -
1031. Hello World for U (20)
又遇到一题水题，又产生了一种我很强的错觉了，话说csdn的表情怎么还是00年代风。。。。这题唯一难点不在编程，在于弄清楚n1，n2，n3是怎么算出来的Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld...原创 2018-03-29 15:37:55 · 121 阅读 · 0 评论