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…

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…

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…

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…

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…

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…

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<…

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[…

---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…

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…