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UVA1374-Power Calculus(迭代加深搜索)
Problem UVA1374-Power Calculus Accept:323 Submit:2083 Time Limit: 3000 mSec Problem Description Input The input is a sequence of one or more lines eac ...
分类:其他好文   时间:2018-08-28 21:10:55    阅读次数:244
二分法查找
package com.bjpowernode.t01; import java.util.Arrays; /* * 二分法查找 * 首先要确保该数组是排好序的 */public class TestArray12 { public static void main(String[] args) { ...
分类:其他好文   时间:2018-08-27 21:35:07    阅读次数:126
HDU 6438 Buy and Resell (CCPC网络赛) 堆 贪心
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) The Power Cube is used as a stash of Exotic Power. There are n cities ...
分类:其他好文   时间:2018-08-26 15:35:59    阅读次数:350
HDU6446 Tree and Permutation
题目链接:https://cn.vjudge.net/problem/HDU-6446 知识点: 组合数学 解题思路: 对于树上的一条边,设其两端的点数为 $x, y$,边长为 $L$. 对于一个排列,总共会行动 $n-1$ 次,一次行动如果要经过这一条边,那么这次行动的起点和终点一定要在这条边的不 ...
分类:其他好文   时间:2018-08-26 01:12:52    阅读次数:207
2018 CCPC网络赛 Dream (费马小定理)
Dream Problem Description Freshmen frequently make an error in computing the power of a sum of real numbers, which usually origins from an incorrect e ...
分类:其他好文   时间:2018-08-25 21:23:10    阅读次数:347
2018年第四阶段组队训练赛第三场(BAPC2017 Preliminaries)
D.Disastrous Doubling 题目描述 A scientist, E. Collie, is going to do some experiments with bacteria.Right now, she has one bacterium. She already knows t ...
分类:其他好文   时间:2018-08-25 14:12:25    阅读次数:245
R执行报错:Error in `[<-.ts`(`*tmp*`,...only replacement of elements is allowed
原因: pred$mean是Time-Series类型,rbind函数不支持。通过as.double将其转换成double类型即可。 修改前代码: 修改后代码: 参考:https://blog.csdn.net/wlt9037/article/details/74389807 ...
分类:其他好文   时间:2018-08-22 11:12:12    阅读次数:501
[Math_Medium] 869. Reordered Power of 2
"原题:869. Reordered Power of 2" Starting with a positive integer N, we reorder the digits in any order (including the original order) such that the lea ...
分类:其他好文   时间:2018-08-21 21:45:11    阅读次数:150
MOD - Power Modulo Inverted(SPOJ3105) + Clever Y(POJ3243) + Hard Equation (Gym 101853G ) + EXBSGS
思路: 前两题题面相同,代码也相同,就只贴一题的题面了。这三题的意思都是求A^X==B(mod P),P可以不是素数,EXBSGS板子题。 SPOJ3105题目链接:https://www.spoj.com/problems/MOD/ POJ3243题目链接:http://poj.org/probl ...
分类:其他好文   时间:2018-08-21 16:32:29    阅读次数:214
PAT 1103 Integer Factorization[难]
The K?P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers. You are supposed to write a program t ...
分类:其他好文   时间:2018-08-21 00:27:26    阅读次数:165
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