题目链接:POJ 1742 Coins E. Coins People in Silverland use coins.They have coins of value A1,A2,A3...An Silverland dollar.One day Tony opened his money-box and found there were some coins.He decided
1048 Find Coins (25 分)并未AC Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which could accept all kinds of
题目: http://acm.hdu.edu.cn/showproblem.php?pid=1398 母函数问题,题目意思是钱币都是由N*N这种价值的钱币所组成的, 输入一个价值,问有多少不同的组成这种价值的方法 #include <stdio.h> int main() { int c1[310],c2[310]; int n,i,j,k; while(scanf("%
题目大意: 题目链接:http://poj.org/problem?id=1742 有 n n n种面值不同的硬币,每种有 c [ i ] c[i] c[i]个。求1到 m m m有多少面值可以用这些硬币凑成? 思路: 很明显的完全背包。。。 前面 W A , T L E , R E , C E WA,TLE,RE,CE WA,TLE,RE,CE全是用二进制拆分做的。。。后来实在没
题目地址:https://leetcode.com/problems/arranging-coins/ You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins. Given n, find the total nu
Leetcode 2973. Find Number of Coins to Place in Tree Nodes 1. 解题思路2. 代码实现 题目链接:2973. Find Number of Coins to Place in Tree Nodes 1. 解题思路 这道题思路上其实挺简单的,就是一个遍历的思路,找到每一个点对应的子树当中所有的节点,然后按照条件进行赋值即可。 不过,
题目描述: You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins. Given n, find the total number of full staircase rows that can be formed
文章目录 一、题目二、题解 一、题目 You are given a 0-indexed integer array coins, representing the values of the coins available, and an integer target. An integer x is obtainable if there exists a subsequ
Leetcode 2952. Minimum Number of Coins to be Added 1. 解题思路2. 代码实现 题目链接:2952. Minimum Number of Coins to be Added 1. 解题思路 这一题思路上就是一个贪婪算法的思路,偏数学性多一点。 首先,我们将面值有序排列,然后依次考察每 一个面值 x x x,假设此时可以遍历到的最大值为 k
A. Coins time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You have unlimited number of coins with values 1,2,…,n1,2,…,n. You want
感觉像是之前做过的题的加强版😅 考虑容斥哪些区间不合法。直接处理比较困难,考虑将所有区间按右端点排序,并将端点离散化(将右端点 + 1 +1 +1,转化为左闭右开区间),设 d p i , j , k dp_{i,j,k} dpi,j,k表示只考虑前 i i i个区间,以及 [ 1 , j ) [1,j) [1,j)这段前缀,上一个选择的区间类型是 k ∈ [ 0 , 1 ] k\in [0