codeforces B. Bear and Strings 解题报告 题目链接:http://codeforces.com/problemset/problem/385/B 题目意思:给定一条只有小写英文组成的序列,需要找出至少包含一个“bear”的单词的子序列个数。注意,子序列的下标编号是连续的,也就是sisi + 1...sj ,不是这种sisk...sj
题目链接:Codeforces 385B Bear and Strings记录下每一个bear的起始位置和终止位置,然后扫一遍记录下来的结构体数组,过程中用一个变量记录上一个扫过的位置,用来去重。#include #include #include using namespace std;const
Help the Bear, count the number ofbeautifulstrings. As the number of beautiful strings can be rather large, print the remainder after dividing the number by1000000007(109 + 7). The first line of the input contains three space-separated integersn, m, g(0 ≤ n, m ≤ ...
k为常数,可以先暂时忽略,那就是要求h[i-j]+j和h[i+j]+j的最小值。 然后两遍左右for一下,同时给区间加一 #include<cstdio> #include<cmath> #include<algorithm> #include<cstring> #include<iostream> structsegtree{ intl,r,mn,tag; }t[]; inth[],n,l[],r[]; intread(){ intt=,f=;charc...
The first line contains a non-empty strings(1 ≤ |s| ≤ 5000). It is guaranteed that the string only consists of lowercase English letters. Output Print a single number — the answer to the problem. 输入数据 1 bearbtear Copy ...
Bear and Strings 2017-08-28 23:35 − The bear has a string s = s1s2... s|s| (record |s| is the string's length), consisting of lowercase English le... Crutain 0 225 Codeforces 573B Bear and Blocks 2016-06-30 10:52 − http://codeforces.com/problemset/problem/...
codeforces 653B B. Bear and Compressing(dfs) 题目链接: B. Bear and Compressing time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You...
Limak is an old brown bear. He often plays poker with his friends. Today they went to a casino. There arenplayers (including Limak himself) and right now all of them have bids on the table.i-th of them has bid with sizeaidollars. ...
Codeforces 385B. Bear and Strings The bear has a string s = s1s2... s|s| (record |s| is the string's length), consisting of lowercase English letters. The bear wants to count the number of such pairs of indices i, j (1 ≤ i ≤ j ≤ |s|), that string...
Codeforces Round #226 (Div. 2)B. Bear and Strings /* 题意就是要找到包含“bear”的子串,计算出个数,需要注意的地方就是不要计算重复。 */ 1#include <stdio.h>2#include <string.h>3#include <stdlib.h>4#definemaxn 500556charstr[maxn];7intpos[maxn];8intmain()9{10while(~scanf("%s",...