Portal:http://codeforces.com/problemset/problem/327/D 一座红塔200人,一座蓝塔100人,只有与蓝塔相邻才可以建红塔. '.'处可建塔 '#'处不可建塔 可以随便毁塔 在建造能够容纳最多人数的塔集合情况下,输出对塔的操作(SPJ) 这是一道水题 这是一道卡输入输出的题 DFS就好,反正就是在联通分量里炸割顶留根 #include<iostream> #include<algorithm> #include<set>…

D. Block Tower time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output After too much playing on paper, Iahub has switched to computer games. The game he plays is called "Block Towers". It is…

D. Block Tower time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output After too much playing on paper, Iahub has switched to computer games. The game he plays is called "Block Towers". It is…

D. Block Tower time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output After too much playing on paper, Iahub has switched to computer games. The game he plays is called "Block Towers". It is…

CF328B Sheldon and Ice Pieces 题意:给定一个数字序列,问后面的数字元素能够组成最多的组数. 分析:把2和5,6和9看作是一个元素,然后求出一个最小的组数就可以了. #include <cstdlib> #include <cstdio> #include <cstring> #include <iostream> #include <cctype> #include <algorithm> using n…

A. Flipping Game 链接:http://codeforces.com/contest/327/problem/A 题意:从 i 到 j 翻转一次使得 1 的 个数最多~ 直接暴力搞~ #include <cstdio> #include <cmath> #include <iostream> using namespace std; int N; ], b[]; int main( ) { while(scanf("%d", &…

在div 188中,幸运的达成了这学期的一个目标:CF1800+,所以这次可以打星去做div2,有点爽. A.Flipping Game 直接枚举 B. Hungry Sequence 由于素数的分布大概10个中有一个,所以直接筛法筛1e5个即可. C. Magic Five 删除串s中的某些字符,使得他整除5,并且跟删除顺序有关,现在问有k个串s连在一起组成一个新的串,问新的串有多少种删除方式. 我们可以先看每一个串,由于整除5的数的末尾只能为0或者5. 用样例二 13990作为说明. 考虑只…

题目链接:http://acm.swust.edu.cn/problem/893/ Time limit(ms): 1000 Memory limit(kb): 65535   Josh loves playing with blocks. Currently, he has N blocks, labeled 0 through N-1. The heights of all blocks are positive integers. More precisely, for each i, t…

传送门 Description Perhaps you have heard of the legend of the Tower of Babylon. Nowadays many details of this tale have been forgotten. So now, in line with the educational nature of this contest, we will tell you the whole story: The babylonians had n…

Description   Perhaps you have heard of the legend of the Tower of Babylon. Nowadays many details of this tale have been forgotten. So now, in line with the educational nature of this contest, we will tell you the whole story: The babylonians had n t…