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深搜dfs
纪念一下自己第一次写出深搜题目wwwww！Oil DepositsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 67090Accepted Submission(s): 38717Problem DescriptionThe GeoSurvComp geologic survey company is responsib...原创 2021-07-13 17:04:48 · 175 阅读 · 0 评论 -
hdoj1018 Big Number//求数字位数
Big NumberTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 52992Accepted Submission(s): 26078Problem DescriptionIn many applications very large integers numbers are required. Some of thes...原创 2021-06-23 21:14:12 · 158 阅读 · 0 评论 -
hdoj1232 畅通工程//并查集
畅通工程Time Limit : 4000/2000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 24Accepted Submission(s) : 14Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem Description某省调查城镇交通状况，得到现有城镇道路统计表，表中列出了每条道路...原创 2021-06-18 09:03:51 · 195 阅读 · 2 评论 -
hdoj3833
YY's new problemTime Limit : 12000/4000ms (Java/Other)Memory Limit : 65536/65536K (Java/Other)Total Submission(s) : 32Accepted Submission(s) : 15Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem DescriptionGiven a permutatio...原创 2021-06-16 11:16:42 · 130 阅读 · 0 评论 -
hdoj1128 Self Numbers//哈希
Self NumbersTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9736Accepted Submission(s): 4191Problem DescriptionIn 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbe...原创 2021-06-16 10:11:15 · 166 阅读 · 0 评论 -
The calculation of GPA
The calculation of GPATime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42826Accepted Submission(s): 9740Problem Description每学期的期末，大家都会忙于计算自己的平均成绩，这个成绩对于评奖学金是直接有关的。国外大学都是计算GPA(grade point a...原创 2021-06-14 17:23:23 · 215 阅读 · 0 评论 -
hdoj1014 Uniform Generator
Uniform GeneratorTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 41700Accepted Submission(s): 16391Problem DescriptionComputer simulations often require random numbers. One way to generat...原创 2021-06-11 16:24:40 · 124 阅读 · 0 评论 -
hdoj2552 三足鼎立//一道数学题
三足鼎立Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6265Accepted Submission(s): 3634Problem DescriptionMCA山中人才辈出，洞悉外界战火纷纷，山中各路豪杰决定出山拯救百姓于水火，曾以题数扫全场的威士忌，曾经高数九十九的天外来客，曾以一剑铸十年的亦纷菲，歃血为盟，盘踞全国各...原创 2021-06-09 21:42:08 · 170 阅读 · 1 评论 -
hdoj2549 壮志难酬
壮志难酬Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 20106Accepted Submission(s): 6315Problem Description话说MCA山上各路豪杰均出山抗敌，去年曾在江湖威名显赫的，江湖人称<万军中取上将首级舍我其谁>的甘露也不甘示弱，“天将降大任于斯人也，必先劳其筋骨，饿其体...原创 2021-06-09 13:44:43 · 120 阅读 · 0 评论 -
hdoj2899
Strange fuctionTime Limit : 2000/1000ms (Java/Other)Memory Limit : 32768/32768K (Java/Other)Total Submission(s) : 14Accepted Submission(s) : 12Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem DescriptionNow, here is a fucti...原创 2021-06-08 20:53:46 · 137 阅读 · 0 评论 -
hdoj1597 find the nth digit
find the nth digitTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17778Accepted Submission(s): 5750Problem Description假设：S1 = 1S2 = 12S3 = 123S4 = 1234.........S9 = 123456789S10 = ...原创 2021-06-08 14:01:52 · 116 阅读 · 0 评论 -
hdoj2141 Can you find it?【二分查找】
Can you find it?Time Limit: 10000/3000 MS (Java/Others)Memory Limit: 32768/10000 K (Java/Others)Total Submission(s): 57413Accepted Submission(s): 13591Problem DescriptionGive you three sequences of numbers A, B, C, then we give you a numbe...原创 2021-06-08 10:58:09 · 126 阅读 · 0 评论 -
hdoj 1708 Fibonacci String
Fibonacci StringTime Limit : 3000/1000ms (Java/Other)Memory Limit : 32768/32768K (Java/Other)Total Submission(s) : 61Accepted Submission(s) : 19Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem DescriptionAfter little Jim lea...原创 2021-06-07 10:33:00 · 159 阅读 · 2 评论 -
hdoj2523 SORT AGAIN
SORT AGAINTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8831Accepted Submission(s): 2803Problem Description给你N个整数,x1,x2...xn，任取两个整数组合得到|xi-xj|,(0<i,j<=N,i!=j)。现在请你计算第K大的组合数是哪个（一个组...原创 2021-06-02 21:21:59 · 140 阅读 · 0 评论 -
hdoj2519 新生晚会
新生晚会Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22328Accepted Submission(s): 7429Problem Description开学了，杭电又迎来了好多新生。ACMer想为新生准备一个节目。来报名要表演节目的人很多，多达N个，但是只需要从这N个人中选M个就够了，一共有多少种选择方法？...原创 2021-05-31 23:26:43 · 130 阅读 · 0 评论 -
hdoj1032 The 3n + 1 problem
The 3n + 1 problemTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 59031Accepted Submission(s): 21422Problem DescriptionProblems in Computer Science are often classified as belonging to a c...原创 2021-05-31 10:37:56 · 171 阅读 · 0 评论 -
hdoj1702//栈和队列（头文件）
ACboy needs your help again!Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 21702Accepted Submission(s): 10654Problem DescriptionACboy was kidnapped!!he miss his mother very much and is ...原创 2021-05-27 22:28:25 · 303 阅读 · 0 评论 -
hdoj1282 回文数猜想
回文数猜想Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11763Accepted Submission(s): 6939Problem Description一个正整数，如果从左向右读（称之为正序数）和从右向左读（称之为倒序数）是一样的，这样的数就叫回文数。任取一个正整数，如果不是回文数，将该数与他的倒序数相加，若其和不是...原创 2021-05-24 09:50:17 · 130 阅读 · 1 评论 -
hdoj2710 求最大素因子
Max FactorTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17389Accepted Submission(s): 5379Problem DescriptionTo improve the organization of his farm, Farmer John labels each of his N (1...原创 2021-05-22 21:05:38 · 271 阅读 · 0 评论 -
hdoj1042 大数阶乘
Problem DTime Limit : 10000/5000ms (Java/Other)Memory Limit : 262144/262144K (Java/Other)Problem DescriptionGiven an integer N(0 ≤ N ≤ 10000), your task is to calculate N!InputOne N in one line, process to the end of file.OutputFor eac...原创 2021-05-22 17:11:21 · 268 阅读 · 0 评论 -
hdoj1002 大数加法
A + B Problem IITime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 556634Accepted Submission(s): 106071Problem DescriptionI have a very simple problem for you. Given two integers A and B, y...原创 2021-05-18 15:18:28 · 250 阅读 · 0 评论 -
hdoj4296 buildings //贪心算法
BuildingsTime Limit: 5000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6224Accepted Submission(s): 2232Problem Description Have you ever heard the story of Blue.Mary, the great civil engineer? Unlike ...原创 2021-05-16 21:25:15 · 202 阅读 · 0 评论 -
hdoj1013
Digital Roots Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 112738Accepted Submission(s): 34836 Problem Description The digital root of a positive integer is found by summ...原创 2021-04-08 17:14:58 · 131 阅读 · 0 评论 -
hdoj2021
发工资咯：）Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 117240Accepted Submission(s): 61179Problem Description作为杭电的老师，最盼望的日子就是每月的8号了，因为这一天是发工资的日子，养家糊口就靠它了，呵呵但是对于学校财务处的工作人员来说，这一天则是很忙碌的一天，财务...原创 2021-04-09 10:23:55 · 247 阅读 · 0 评论 -
hdoj2026
首字母变大写Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 109425Accepted Submission(s): 59518Problem Description输入一个英文句子，将每个单词的第一个字母改成大写字母。Input输入数据包含多个测试实例，每个测试实例是一个长度不超过100的英文句...原创 2021-04-09 23:10:49 · 330 阅读 · 0 评论 -
hdoj1262
寻找素数对Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22975Accepted Submission(s): 11467Problem Description哥德巴赫猜想大家都知道一点吧.我们现在不是想证明这个结论,而是想在程序语言内部能够表示的数集中,任意取出一个偶数,来寻找两个素数,使得其和等于该偶数.做好了这件...原创 2021-04-11 19:07:57 · 141 阅读 · 0 评论 -
hdoj2027
统计元音Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 139448Accepted Submission(s): 52420Problem Description统计每个元音字母在字符串中出现的次数。Input输入数据首先包括一个整数n，表示测试实例的个数，然后是n行长度不超过100的字符串。...原创 2021-04-11 20:00:33 · 143 阅读 · 0 评论 -
hdoj2030 汉字统计【字符串】【汉字机内码】
汉字统计Problem Description统计给定文本文件中汉字的个数。Input输入文件首先包含一个整数n，表示测试实例的个数，然后是n段文本。Output对于每一段文本，输出其中的汉字的个数，每个测试实例的输出占一行。[Hint:]从汉字机内码的特点考虑~Sample Input2WaHaHa! WaHaHa! 今年过节不说话要说只说普通话WaHaHa! WaHaHa!马上就要期末考试了Are you ready...原创 2021-04-17 18:52:15 · 186 阅读 · 0 评论 -
hdo2018 母牛的故事【递推算法】
母牛的故事Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 162900Accepted Submission(s): 80482Problem Description有一头母牛，它每年年初生一头小母牛。每头小母牛从第四个年头开始，每年年初也生一头小母牛。请编程实现在第n年的时候，共有多少头母牛？Input...原创 2021-04-17 20:03:10 · 162 阅读 · 0 评论 -
hdoj1019//最小公倍数
Least Common MultipleTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 77487Accepted Submission(s): 29769Problem DescriptionThe least common multiple (LCM) of a set of positive integers is ...原创 2021-04-25 19:42:33 · 136 阅读 · 0 评论 -
hdoj2044[一只小蜜蜂]//递推 打表
一只小蜜蜂...Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 141038Accepted Submission(s): 49430Problem Description有一只经过训练的蜜蜂只能爬向右侧相邻的蜂房，不能反向爬行。请编程计算蜜蜂从蜂房a爬到蜂房b的可能路线数。其中，蜂房的结构如下所示。Inp...原创 2021-04-26 10:34:22 · 247 阅读 · 0 评论 -
hdoj2047[EOF牛肉串]/递推
阿牛的EOF牛肉串Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 61666Accepted Submission(s): 29582Problem Description今年的ACM暑期集训队一共有18人，分为6支队伍。其中有一个叫做EOF的队伍，由04级的阿牛、XC以及05级的COY组成。在共同的集训生活中，大家建立了深...原创 2021-05-01 18:06:55 · 142 阅读 · 0 评论 -
hdoj2037 第一次接触贪心算法
今年暑假不ACTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 113155Accepted Submission(s): 60185Problem Description“今年暑假不AC？”“是的。”“那你干什么呢？”“看世界杯呀，笨蛋！”“@#$%^&*%...”确实如此，世界杯来了，球迷的节日也来了，估...原创 2021-05-10 11:10:02 · 187 阅读 · 0 评论 -
hdoj 2043
密码Problem Description网上流传一句话:"常在网上飘啊，哪能不挨刀啊～"。其实要想能安安心心地上网其实也不难，学点安全知识就可以。首先，我们就要设置一个安全的密码。那什么样的密码才叫安全的呢？一般来说一个比较安全的密码至少应该满足下面两个条件：(1).密码长度大于等于8，且不要超过16。(2).密码中的字符应该来自下面“字符类别”中四组中的至少三组。这四个字符类别分别为：1.大写字母：A,B,C...Z;2.小写字母：a,b,c...z;3.数字：0,1,2....原创 2021-04-06 11:02:50 · 329 阅读 · 0 评论 -
hdoj 1005
因为f[n]的可能值只有0~6，可能出现的两个的组合只有49种情况，而一次组合相等后，后面就会出现循环，所以在第50次的时候一定出现循环，也有可能前面就会出现循环。#include<iostream>using namespace std;int f[1000];int main(){ int a,b,n; f[1]=1,f[2]=1; while(cin>>a>>b>>n) { if(a==0..原创 2021-04-05 22:02:25 · 137 阅读 · 0 评论 -
hdoj1004
刚看到这题觉得很简单 等要动手敲了又不知道该怎么下手不知道该用什么把这些字符串存下来..我甚至还试了指针数组 但是好像也不行 最后还是同学跟我说用一个一维数组存储次数 还有一个两维数组存储输入的颜色 啊感觉自己是想不到要用一个二维数组的 现在知道啦！！！还有就是我以前的开头都是用两个while循环 最外面！=EOF里面再if=0退出 今天看到别人写的才意识到哦可以直接全写在一起aaa我好蠢#include<stdio.h>#include<string.h>vo..原创 2021-04-05 21:52:22 · 133 阅读 · 0 评论