[POJ1338]Ugly Numbers 试题描述 Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, ... shows the first 10 ugly numbers. By convention, 1 is included. Given the integer n,write a program to find an…

POJ1338 2545 2591 2247都是一个类型的题目,所以放到一起来总结 POJ1338:Ugly Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 21708   Accepted: 9708 Description Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence  1, 2, 3, 4,…

POJ1338 2545 2591 2247都是一个类型的题目,所以放到一起来总结 POJ1338:Ugly Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 21708   Accepted: 9708 Description Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence  1, 2, 3, 4,…

打表大军是一股邪恶势力→_→ #include <iostream> #include <cstring> #include <cstdlib> #include <cstdio> #include <cctype> #include <cmath> #include <numeric> #include <algorithm> #include <limits.h> #include <ve…

                                                                             Ugly Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 19952   Accepted: 8856 Description Ugly numbers are numbers whose only prime factors are 2, 3 or 5.…

题意:一个数的质因子能是2, 3, 5, 那么这个数是丑数. 思路: 打表或者递推. 打表: 若该数为丑数,那么一定能被2 或者3, 或者5 整除, 除完之后则为1. #include <iostream> #include <fstream> using namespace std; ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,…

我记得这道题以前写过,而且是写出来了.DP吧. 然后现在想了好久...没想出来.... 然后考虑一下递推..mdzz-直接就是让之前的这个每次乘以2,3,5就好了嘛,然后每轮取最小. //#include <bits/stdc++.h> #include<iostream> #include<cstdio> #include<math.h> #include<string.h> #include<algorithm> using na…

poj1000,poj1003,poj1004,poj1064,poj1218 水题 poj1012:0<k<14——漂亮的打表 poj1651:与能量项链很像的dp poj1159:回文词,正反序求LCS,然后再用原长减一下即可 poj3264:一看就知道的RMQ,ST,线段树均可 poj1092:拓扑排序 poj2299:最少相邻交换次数——其实是逆序对的个数,mergersort即可 poj1002:快排,注意细节即可(补0) poj2377:最大生成树,克鲁斯卡尔+并查集即可 poj1…

POJ题目分类 | POJ题目分类 | HDU题目分类 | ZOJ题目分类 | SOJ题目分类 | HOJ题目分类 | FOJ题目分类 | 模拟题: POJ1006 POJ1008 POJ1013 POJ1016 POJ1017 POJ1169 POJ1298 POJ1326 POJ1350 POJ1363 POJ1676 POJ1786 POJ1791 POJ1835 POJ1970 POJ2317 POJ2325 POJ2390 POJ1012 POJ1082 POJ1099 POJ1114…

转自https://www.luogu.org/blog/cccx2016/dp50-ti-ti-hao dp50题: poj1014 poj1015 poj1018 poj1036 poj1038 poj1050 poj1088 poj1093 poj1156 poj1157 poj1159 poj1160 poj1163 poj1170 poj1191 poj1221 poj1338 poj1458 poj1579 poj1631 poj1651 poj1661 poj1664 poj167…