HDU 1248 寒冰王座(全然背包:入门题) http://acm.hdu.edu.cn/showproblem.php?pid=1248 题意: 不死族的巫妖王发工资拉,死亡骑士拿到一张N元的钞票(记住,仅仅有一张钞票),为了防止自己在战斗中频繁的死掉,他决定给自己买一些道具,于是他来到了地精商店前. 死亡骑士:"我要买道具!" 地精商人:"我们这里有三种道具,血瓶150块一个,魔法药200块一个,无敌药水350块一个." 死亡骑士:"好的,给我一个血…
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…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3555 题目大意:从0开始到给定的数字N所有的数字中遇到“49”的数字的个数. Sample Input 3 1 50 500   Sample Output 0 1 15 Hint From 1 to 500, the numbers that include the sub-sequence "49" are "49","149","24…
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…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3555 题意:上一题是不要62 这个是"不要49" 代码: #include <stdio.h> #include <ctime> #include <math.h> #include <limits.h> #include <complex> #include <string> #include <functio…
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…
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 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 24148    Accepted Submission(s): 9092 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorist…
/******************************************************* 题目: 统计难题 (hdu 1251) 链接: http://acm.hdu.edu.cn/showproblem.php?pid=1251 算法: 字典树 提示: 这题压要用c++提交,G++会超内存 *******************************************************/ #include<cstdio> #include<cstr…
hdu 3374 String Problem 最小表示法 view code#include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <map> #include <string> using namespace std; const int N = 10010; int n; char s[105]; map<…