杭电1002http://acm.hdu.edu.cn/showproblem.php?pid=1022 Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25276    Accepted Submission(s): 9529 Problem Description As the new term com…

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CODE FESTIVAL 2017 qual B B - Problem Set 确实水题,但当时没想到map,用sort后逐个比较解决的,感觉麻烦些,虽然效率高很多.map确实好写点. 用map: #include<iostream> #include<cstdio> #include<cstdlib> #include<map> using namespace std; map<int,int>mp; int main() { int n,…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25773    Accepted Submission(s): 9729 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays.…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 51413    Accepted Submission(s): 19341 Problem Description As the new term comes, the Ignatius Train Station is very busy nowaday…

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23574    Accepted Submission(s): 8907 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of studen…

Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes…

Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes a proble…

Problem C. Contest 题目连接: http://codeforces.com/gym/100714 Description The second round of the annual student collegiate programming contest is being held in city N. To be prepared for the inrush of participants, the jury needs to know the number of t…

Problem E: Su-Su-Sudoku/center> 题目连接: http://codeforces.com/gym/100646/attachments Description By now, everyone has played Sudoku: you're given a 9-by-9 grid of boxes which you are to fill in with the digits 1 through 9 so that 1) every row has all n…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1042 栈的模拟,题目大意是已知元素次序, 判断出栈次序是否合理. 需要考虑到各种情况, 分类处理. 常见错误:使用前未清空栈 使用STL思路较为清晰 代码附上, 欢迎各位大神指点~~ #include <cstdio> #include <stack> #include <iostream> #include <vector> using namespace s…

A problem of sorting Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=627&pid=1001 Description 给出一张许多人的年龄和生日表.你需要从年轻到年老输出人们的名字.(没有人年龄相同) Input 第一行包含一个正整数T(T \leq 5)T(T≤5),表示数据组数. 对于每组数据,第…

题目链接: http://codeforces.com/gym/101194/attachments https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=5919 题意: 给出正整数 $N(1 \le N \le 10^5)$,询问对于正整数 $k$,有多少个小于 $2^N$ 的 $2^k-1$ 是 $7$ 的整数倍. 题解: $…

Problem J. Joke 题目连接: http://codeforces.com/gym/100714 Description The problem is to cut the largest possible number of circles with diameter y out of a stripe of length x and width y. Input The only line of input consists of two positive real number…

Problem H. Hometask 题目连接: http://codeforces.com/gym/100714 Description Kolya is still trying to pass a test on Numbers Theory. The lecturer is so desperate about Kolya's knowledge that she gives him the same task every time. The problem is to check i…

题目:https://www.lydsy.com/JudgeOnline/problem.php?id=1657 #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; ; int n,h[N],c[N],q[N],he,tl,cnt[N],ans; int rdn() { ;;char ch=getchar(); ;ch=g…

A Simple Math Problem Lele now is thinking about a simple function f(x).If x < 10 f(x) = x.If x >= 10 f(x) = a0 * f(x-1) + a1 * f(x-2) + a2 * f(x-3) + -- + a9 * f(x-10);And ai(0<=i<=9) can only be 0 or 1 .Now, I will give a0 ~ a9 and two posit…

题意: 给一个序列,要找一个等差或等比的连续子序列,求其最长的长度. 思路: 扫两遍,判断等差或等比即可.从左往右扫,维护一个滑动窗口,考虑新加进来的数,如果满足了要求,则更新长度,否则只留最后两个数字,其他删掉,接着继续考虑下一个数字.等比也是如此,只是要注意精度的问题. 别人的代码: #include <bits/stdc++.h> using namespace std; ; int arr[MAX]; int main(void) { //freopen("in.txt&qu…

题意:给定一个n,求前 n 个正整数,正奇数,正偶数之和. 析:没什么好说的,用前 n 项和公式即可. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <iostream> #include…

题目链接:http://codeforces.com/problemset/problem/328/B 水题~ #include <cstdio> #include <cstdlib> #include <cstring> ], a[]; ], c[]; int main(void) { //freopen("in.txt", "r", stdin); scanf("%s%s", n, a); int len1…

题目:http://poj.org/problem?id=3080 水题,暴搜 #include <iostream> #include<cstdio> #include<cstring> #include<cstdlib> #include<stack> #include<queue> #include<iomanip> #include<cmath> #include<map> #include…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 20521    Accepted Submission(s): 7712 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays…

传送门:http://acm.hdu.edu.cn/showproblem.php?pid=1022 Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45375    Accepted Submission(s): 16966 Problem Description As the new term come…

Problem A: The 3n + 1 problem Time Limit: 1 Sec  Memory Limit: 64 MBSubmit: 14  Solved: 6[Submit][Status][Web Board] Description Consider the following algorithm to generate a sequence of numbers. Start with an integer n. If n is even, divide by 2. I…

Problem A: Jolly Jumpers Time Limit: 1 Sec  Memory Limit: 64 MBSubmit: 10  Solved: 4[Submit][Status][Web Board] Description A sequence of n > 0 integers is called a jolly jumper if the absolute values of the differences between successive elements ta…

题目传送门 /* 水题:看见x是十的倍数就简单了 */ #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <string> #include <cmath> using namespace std; ; const int INF = 0x3f3f3f3f; int main(void) //HDOJ 4716…

http://acm.fzu.edu.cn/problem.php?pid=2182 Problem 2182 水题 Accept: 188    Submit: 277Time Limit: 1000 mSec    Memory Limit : 32768 KB  Problem Description 胖哥自从当上公务员,赢取白富美,走向人生巅峰后,已经懒散到不想出题了,不仅如此,他连题目都懒得看了,现在他只会根据题目第一个单词的长度判定这个题目的难度 如果题目的第一个单词太长(长度大于3…

A water problem 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5832 Description Two planets named Haha and Xixi in the universe and they were created with the universe beginning. There is 73 days in Xixi a year and 137 days in Haha a year. Now you k…

Train Problem I Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25817    Accepted Submission(s): 9752 Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays.…

Train Problem I Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^).…