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 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 。(k!=i+1) 我的做法...
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 Elections time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Limak is a g... 我喜欢旅行 0 423 Codeforces 385B. Bear and Strings 2017-08-28 23:35 − The bear has a string s = s1s2... s|s| (record |s|...
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 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...
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
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",...