首先通过不断翻转坐标系,假设三个点以横坐标为第一关键字,纵坐标为第二关键字排序后A在B前面,B在C前面. 那么只需要处理以下两种情况: 1.B的纵坐标在AC之间,这时三个点的距离和为$2((x_C+y_C)-(x_A+y_A))$. 可以用线段树处理出每个点作为B时$x_A+y_A$以及$x_C+y_C$的最值,然后更新答案即可. 2.B的纵坐标不超过A的纵坐标,这时三个点的距离和为$2((x_C+y_C)-x_A-y_B)$. 还是考虑枚举B,需要维护它左边每个A与右边每个C合并的答案. 于是…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 16362    Accepted Submission(s): 5979 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until it hits the w…

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Bomb Game Time Limit: 10000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2951    Accepted Submission(s): 984 Problem Description Robbie is playing an interesting computer game. The game field is an unbounded…

Description The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current number sequence includes the sub-sequence "49", the…

题目链接: 传送门 One Bomb time limit per test:1 second     memory limit per test:256 megabytes Description You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be empty (".") or it can be o…

http://acm.hdu.edu.cn/showproblem.php?pid=3555 Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 7316    Accepted Submission(s): 2551 Problem Description The counter-terrorists found a time…

[HDU3555]Bomb 试题描述 The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current number sequence includes the sub-sequence "49"…

Bomb Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri, position (xi,yi) and lighting-cost ci which means you need to pay ci cost making it explode.If a un-lighting bomb is in or on the border…

数位DP的DFS写法.... Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 4630    Accepted Submission(s): 1614 Problem Description The counter-terrorists found a time bomb in the dust. But this time…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 7921    Accepted Submission(s): 2778 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 26    Accepted Submission(s): 10 Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri,…

One Bomb 题意: 只有一个炸弹,并且一个只能炸一行和一列的'*',问最后能否炸完所以'*',如果可以输出炸弹坐标 题解: 这题做的时候真的没什么好想法,明知道b题应该不难,但只会瞎写,最后越写越乱,我就放弃了.看了题解,果然还是我不行... 首先枚举一遍,记录总'*'数,和每行,每列的'*'数,之后再枚举一遍,看是否一行一列的'*'数和总'*'数相等,如果是,那就是答案,如果没有,就是NO. 代码: #include <bits/stdc++.h> using namespace st…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=3555 Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) 问题描述 The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bo…

B. One Bomb time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be empty (".&…

hdu 3555 Bomb 题意: 在1~N(1<=N<=2^63-1)范围内找出含有 ‘49’的数的个数: 与hdu 2089 不要62的区别:2089是找不不含 '4'和 '62'的区间范围内的数,此题是含有:正好相反,对于 "不要62"只是用第二位表示首位数字,这一题呢? 看转化:易知一定要要知道首位是9的个数,才能在前面加4得到 '49',但是什么状态能从不含 '49'转移到含 '49'?直接在不含'49'前加9,那么就出现了三个状态之间的递推转化,从而推出了第二维…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10    Accepted Submission(s): 3 Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri,…

著名的CSAPP实验:二进制炸弹 就是通过gdb和反汇编猜测程序意图,共有6关和一个隐藏关卡 只有输入正确的字符串才能过关,否则会程序会bomb终止运行 隐藏关卡需要输入特定字符串方会开启 实验材料下载地址:http://csapp.cs.cmu.edu/2e/labs.html 下面通关解法: 反汇编: objdump -d bomb > bomb_assembly_32.S Phase 1: 打开bomb_assembly_32.S,定位到<phase_1>函数,可以看到以下代码:…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 11804    Accepted Submission(s): 4212 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorist…

HDU 3622 Bomb Game 题目链接 题意:求一个最大半径,使得每一个二元组的点任选一个,能够得到全部圆两两不相交 思路:显然的二分半径,然后2-sat去判定就可以 代码: #include <cstdio> #include <cstring> #include <cstdlib> #include <vector> #include <cmath> #include <algorithm> using namespace…

bomb炸弹实验 首先对bomb这个文件进行反汇编,得到一个1000+的汇编程序,看的头大. phase_1: 0000000000400ef0 <phase_1>: 400ef0: 48 83 ec 08 sub $0x8,%rsp 400ef4: be 18 1b 40 00 mov $0x401b18,%esi 400ef9: e8 10 04 00 00 callq 40130e <strings_not_equal> 400efe: 85 c0 test %eax,%ea…

B. One Bomb time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be empty (".&…

One Bomb time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be empty (".&quo…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 15102    Accepted Submission(s): 5452 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 10419    Accepted Submission(s): 3673 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorist…

Arithmetic of Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 129    Accepted Submission(s): 94 Problem Description 众所周知,度度熊非常喜欢数字. 它最近在学习小学算术,第一次发现这个世界上居然存在两位数,三位数……甚至N位数! 但是这回的算术题可并不简单,由于…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 7926    Accepted Submission(s): 2780 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until it hits the w…

Bomb Game Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 806    Accepted Submission(s): 392 Problem Description John and Jack, two mathematicians, created a game called "Bomb Game" at spa…