题目链接 题意 : 给你两个数N和M,让你从1到M中找N个数组成一个序列,这个序列需要满足的条件是后一个数要大于前一个数的两倍,问这样的序列有多少,输出. 思路 : dp[i][j]代表着长度为 i 的序列,最后一位是 j ,所以初始化的时候dp[1][ i ] = 1 :dp[i][j] = sum(dp[i][k])(k < j/2) ; #include <stdio.h> #include <string.h> #include <iostream> us…

Lenny's Lucky Lotto Lists Time Limit: 2 Seconds      Memory Limit:65536 KB Lenny likes to play the game of lotto. In the lotto game, he picks a list of N unique numbers in the range from 1 to M. If his list matches the list of numbers that are drawn,…

Lenny's Lucky Lotto Lists Time Limit: 2 Seconds      Memory Limit:65536 KB Lenny likes to play the game of lotto. In the lotto game, he picks a list of N unique numbers in the range from 1 to M. If his list matches the list of numbers that are drawn,…

The Triangle Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 41169   Accepted: 24882 Description 7 3 8 8 1 0 2 7 4 4 4 5 2 6 5 (Figure 1) Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed…

1011. Lenny's Lucky Lotto Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description Lenny likes to play the game of lotto. In the lotto game, he picks a list of N unique numbers in the range from 1 to M. If his list matches the list of numbers…

[POJ 3071] Football(DP) Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 4350   Accepted: 2222 Description Consider a single-elimination football tournament involving 2n teams, denoted 1, 2, -, 2n. In each round of the tournament, all tea…

LightOJ 1033  Generating Palindromes(dp) 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87730#problem/A 题目: Description By definition palindrome is a string which is not changed when reversed. "MADAM" is a nice example of palindrome.…

lightOJ 1047   Neighbor House (DP) 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87730#problem/C 题目: Description The people of Mohammadpur have decided to paint each of their houses red, green, or blue. They've also decided that no two n…

UVA11125 - Arrange Some Marbles(dp) option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2066" target="_blank" style="">题目链接 题目大意:给你n种不同颜色的弹珠.然后给出每种颜色的弹珠的个数,如今要求你将这些弹珠排序,要求同样颜色的部分最多3个.然后同样颜色的弹珠称…

学习qzz的命名,来写一篇关于动态规划(dp)的入门博客. 动态规划应该算是一个入门oier的坑,动态规划的抽象即神奇之处,让很多萌新 萌比. 写这篇博客的目标,就是想要用一些容易理解的方式,讲解入门动态规划的真正意义. 奶萌兔的温馨提示:建议先理解dfs哦~(本文以一种较为新奇的方式解释DP) 动态规划 那什么是动态规划? 来问问神奇的奶萌兔吧(强行盗梗)! (奶萌兔来给你讲解啦~虽然还在睡觉=w=) 动态规划(英语:Dynamic programming,简称DP)是一种在数学.管理科学.计…