一.技术总结 这是一个逻辑题,题目大职意思是可以组成多少个PAT,可以以A为中心计算两边的P和T,然后数量乘积最后相加便是答案. 还有一个注意的是每次相加后记得mod,取余,不要等到最后加完再取余,会报错可能会溢出. 二.参考代码 #include<iostream> #include<cstring> using namespace std; const int maxn = 100010; const int inf = 1000000007; int leftNump[max…

题目 原题链接 The string APPAPT contains two PAT's as substrings. The first one is formed by the 2nd, the 4th, and the 6th characters, and the second one is formed by the 3rd, the 4th, and the 6th characters.Now given any string, you are supposed to tell t…

题意: 输入一行由大写字母'P','A','T',组成的字符串,输出一共有多少个三元组"PAT"(相对顺序为PAT即可),答案对1e9+7取模. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std; ; string s; ],numpa[]; ]; int main(){ ios::sync_with_stdio(false); cin.ti…

题目链接:1040 有几个PAT (25 分) 做这道题目,遇到了新的困难.解决之后有了新的收获,甚是欣喜! 刚开始我用三个vector数组存储P A T三个字符出现的位置,然后三层for循环,根据字符次序关系, 统计PAT出现的次数.这样提交后三个测试点超时.代码如下: #include <bits/stdc++.h> using namespace std; ; ]; vector<int> p; vector<int> a; vector<int> t…

1093. Count PAT's (25) 时间限制 120 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CAO, Peng The string APPAPT contains two PAT's as substrings. The first one is formed by the 2nd, the 4th, and the 6th characters, and the second one is formed by the 3r…

题目地址 https://pta.patest.cn/pta/test/16/exam/4/question/677 5-15 PAT Judge   (25分) The ranklist of PAT is generated from the status list, which shows the scores of the submissions. This time you are supposed to generate the ranklist for PAT. Input Spe…

1075 PAT Judge (25分)   The ranklist of PAT is generated from the status list, which shows the scores of the submissions. This time you are supposed to generate the ranklist for PAT. Input Specification: Each input file contains one test case. For eac…

1025 PAT Ranking (25分) 1. 题目 2. 思路 设置结构体, 先对每一个local排序,再整合后排序 3. 注意点 整体排序时注意如果分数相同的情况下还要按照编号排序 4. 代码 #include<cstdio> #include<cmath> #include<cstring> #include<algorithm> using namespace std; struct stu{ int location_number; char…

PAT甲级:1025 PAT Ranking (25分) 题干 Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed to run simultaneously in several places, and the ranklists will be merged imme…

The string APPAPT contains two PAT's as substrings. The first one is formed by the 2nd, the 4th, and the 6th characters, and the second one is formed by the 3rd, the 4th, and the 6th characters. Now given any string, you are supposed to tell the numb…