1152. False Mirrors Time limit: 2.0 secondMemory limit: 64 MB Background We wandered in the labyrinth for twenty minutes before finally entering the large hall. The walls were covered by mirrors here as well. Under the ceiling hung small balconies wh…
#1152 : Lucky Substrings 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 A string s is LUCKY if and only if the number of different characters in s is a fibonacci number. Given a string consisting of only lower case letters, output all its lucky non-empty sub…
F - The Great TeamTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87643#problem/F Description When a few students of the Ural State University finished their sport career, the university encountered…
1152 Google Recruitment (20 分) 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 in con…
1837. Isenbaev's Number Time limit: 0.5 second Memory limit: 64 MB Vladislav Isenbaev is a two-time champion of Ural, vice champion of TopCoder Open 2009, and absolute champion of ACM ICPC 2009. In the time you will spend reading this problem stateme…
URAL 1635 思路:区间dp+贪心,先n^2处理出每段区间是否是回文串,然后贪心地找每一段1到i的最少分割. 代码: #include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back #define mem(a,b) memset(a,b,sizeof(a)) ; string s; int n; int dp[N][N]; int ans[N]; int pre[N]; void…
Ural Sport Programming Championship 2015 A - The First Day at School 题目描述:给出课程安排,打印一个课程表. solution 暴力模拟. B - Maths 题目描述:给定一个数\(n\),找出一个序列\(a_i\)满足\(\forall i \in [2, n], \sum_{j=1}^{j \leq i} a_j\) 有\(a_i\)个约数. solution 暴力搜索,发现和不会超过\(2 \times 10^6\),…
Ancient Necropolis Time Limit:5000MS Memory Limit:4096KB 64bit IO Format:%I64d & %I64u Submit Status Practice URAL 1249 Description Aerophotography data provide a bitmap picture of a hard-to-reach region. According to the suggestions of scie…