O-Bomb(数位dp) - 相关文章

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hdu---(3555)Bomb(数位dp（入门）)

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…

HDU 3555 Bomb 数位dp

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…

HDU3555 Bomb —— 数位DP

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) Total Submission(s): 18739 Accepted Submission(s): 6929 Problem Description The counter-terrorists found…

hud 3555 Bomb 数位dp

Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 19122 Accepted Submission(s): 7068 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorist…

Hdu Bomb(数位DP)

Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 16713 Accepted Submission(s): 6128 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists impr…

hdu3555 Bomb(数位dp）

题目传送门 Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 23853 Accepted Submission(s): 8990 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terr…

HDU 3555 Bomb 数位DP 入门

给出n,问所有[0,n]区间内的数中,不含有49的数的个数数位dp,记忆化搜索 dfs(int pos,bool pre,bool flag,bool e) pos:当前要枚举的位置 pre:当前要枚举的位置的前面是否为4 flag:枚举当前时,这个数的49时候被算过了 e:当前位置是否可以随便取值 dp[pos][pre][flag] #include<cstdio> #include<cstring> #include<algorithm> #include<…

hdu3555 Bomb 数位DP入门

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3555 简单的数位DP入门题目思路和hdu2089基本一样直接贴代码了,代码里有详细的注释代码: #include<iostream> #include<cstdlib> #include<cstdio> #include<cstring> using namespace std; ][]; void init() { dp[][]=;dp[][]=;dp[…

Bomb 数位dp

---恢复内容开始--- 不能有49 数位dp模板题: #include<bits/stdc++.h> using namespace std; //input by bxd #define rep(i,a,b) for(int i=(a);i<=(b);i++) #define repp(i,a,b) for(int i=(a);i>=(b);--i) #define RI(n) scanf("%d",&(n)) #define RII(n,m) sc…

【hdu3555】Bomb 数位dp

题目描述求 1~N 内包含数位串 “49” 的数的个数. 输入 The first line of input consists of an integer T (1 <= T <= 10000), indicating the number of test cases. For each test case, there will be an integer N (1 <= N <= 2^63-1) as the description.The input terminates…

HDU3555 Bomb[数位DP]

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…

HDU3555 Bomb 数位DP第一题

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 power of the…

HDU - 3555 - Bomb(数位DP）

链接: https://vjudge.net/problem/HDU-3555 题意: 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…

hdu3555 Bomb (数位dp入门题)

Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 19698 Accepted Submission(s): 7311 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

hdoj 3555 BOMB(数位dp)

//hdoj 3555 //2013-06-27-16.53 #include <stdio.h> #include <string.h> __int64 dp[21][3], n; int len, bit[21]; //dp[i][0] 长度为i 包含49的个数 //dp[i][1] 长度为i没有49但以9开头的 //dp[i][2] 长度为i 没有49 void init() { dp[0][2] = 1; for (int i = 1; i < 20; i++) {…

hdu3555 Bomb （记忆化搜索数位DP）

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…

HDU 3555 Bomb（数位DP）

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…

Bomb HDU - 3555 （数位DP）

Bomb HDU - 3555 (数位DP) 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&…

[暑假集训--数位dp]hdu3555 Bomb

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 power of the…

HDU 3555 Bomb（数位DP模板啊两种形式）

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3555 Problem 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 curre…

动态规划晋级——HDU 3555 Bomb【数位DP详解】

转载请注明出处:http://blog.csdn.net/a1dark 分析:初学数位DP完全搞不懂.很多时候都是自己花大量时间去找规律.记得上次网络赛有道数位DP.硬是找规律给A了.那时候完全不知数位DP为何物.不过还是有很多时候要用数位DP.比如当一个数字超过了数组承受的极限.不能再打表AC.先看这道题.首先划分状态.然后初始化.最后从高位向低位状态转移.代码含详解 //dp[len][0]表示长度为len不含49的数量 //dp[len][1]表示长度为len不含44但以9开头的数字的数量…

【Hdu3555】 Bomb（数位DP）

Description 题意就是找0到N有多少个数中含有49. \(1\leq N \leq2^{63}-1\) Solution 数位DP,与hdu3652类似 \(F[i][state]\)表示位数为i,包含49状态为state时的方案数注意开\(long long\) Tips 注意N范围很大,位数不止10位!! Code #include <cstdio> #include <cstring> #define ll long long int d[20]; ll dp[2…

[Hdu3555] Bomb（数位DP）