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杭电1005
Number Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 62216 Accepted Submission(s): 14226 Problem Description A number原创 2012-08-14 12:38:38 · 530 阅读 · 0 评论 -
杭电1040
As Easy As A+B Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 30295 Accepted Submission(s): 12993 Problem Description These day原创 2013-09-27 13:08:26 · 1084 阅读 · 0 评论 -
杭电1048
The Hardest Problem Ever Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13447 Accepted Submission(s): 6123 Problem Description原创 2013-09-27 14:53:40 · 872 阅读 · 0 评论 -
杭电1058
Humble Numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13689 Accepted Submission(s): 5956 Problem Description A number w原创 2013-09-27 21:42:20 · 674 阅读 · 0 评论 -
杭电1061
Rightmost Digit Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 26061 Accepted Submission(s): 10018 Problem Description Given a原创 2013-09-28 11:38:08 · 1153 阅读 · 0 评论 -
POJ 1753
Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 26203 Accepted: 11308 Description Flip game is played on a rectangular 4x4 field with two-sided原创 2013-09-28 17:07:37 · 712 阅读 · 0 评论 -
POJ 2965
The Pilots Brothers' refrigerator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16008 Accepted: 6035 Special Judge Description The game “The Pilo原创 2013-09-28 22:03:12 · 678 阅读 · 0 评论 -
逆波兰式计算
本题目来源于LeetCode，计算逆波兰式的值，具体如下： Evaluate Reverse Polish Notation Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each o原创 2014-03-26 11:18:39 · 1382 阅读 · 0 评论 -
单链表插入排序算法
如果数据存储在一段连续的内存上，比如数组中，插入排序算法的实现相信大家都yij原创 2014-04-06 16:59:36 · 2271 阅读 · 0 评论 -
单链表排序（快速排序、归并排序）
本题目来源于LeetCode,具体如下： Sort a linked list in O(n log n) time using constant space complexity. 题目要求复杂度O(nlogn)，因此我们很自然考虑使用快速排序或者归并排序，但是后来经过实践证明，使用快速排序总是AC超时，归并排序则可以正确AC。 分析一下原因，个人认为是与测试数据有关，因为快速排序不能原创 2014-03-26 22:53:47 · 18729 阅读 · 4 评论 -
翻转字符串中的单词
本题目来自LeetCode，具体如下： Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". click to show clarification. Clarification原创 2014-03-26 10:06:08 · 1079 阅读 · 0 评论 -
重新排列链表
LeetCode : Reorder List原创 2014-04-07 19:49:53 · 905 阅读 · 0 评论 -
最多共线点的数目
本题目来自LeetCode，具体内容如下： Max Points on a Line Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. 题目叙述很简单，就是给定2D平面上的N个点，从这些点中原创 2014-03-26 15:13:39 · 5643 阅读 · 1 评论 -
杭电1032
The 3n + 1 problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 18197 Accepted Submission(s): 6721 Problem Description Proble原创 2013-09-26 22:56:48 · 1060 阅读 · 0 评论 -
杭电1106
排序 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 28373 Accepted Submission(s): 7854 Problem Description 输入一行数字，如果我们把这行数字中的‘5’都原创 2013-09-25 23:04:31 · 847 阅读 · 0 评论 -
杭电1108
最小公倍数 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 27414 Accepted Submission(s): 15184 Problem Description 给定两个正整数，计算这两个数的最小公原创 2013-09-25 23:40:05 · 930 阅读 · 0 评论 -
杭电1020
Encoding Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16699 Accepted Submission(s): 7120 Problem Description Given a string c原创 2012-08-14 14:36:08 · 583 阅读 · 0 评论 -
杭电1008
Elevator Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 24941 Accepted Submission(s): 13418 Problem Description The highest bui原创 2012-08-14 12:56:08 · 523 阅读 · 0 评论 -
杭电1013
Digital Roots Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 30319 Accepted Submission(s): 9309 Problem Description The digital原创 2012-08-14 14:09:28 · 619 阅读 · 0 评论 -
杭电1012
u Calculate e Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 18822 Accepted Submission(s): 8211 Problem Description A simple ma原创 2012-08-14 13:26:27 · 1661 阅读 · 0 评论 -
杭电1039
Easier Done Than Said? Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4246 Accepted Submission(s): 2142 Problem Description Pas原创 2012-08-14 15:50:06 · 997 阅读 · 0 评论 -
杭电1010
杭电1010 1.奇偶性剪枝 可以把map看成这样： 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 从为 0 的格子走一步，必然走向为 1 的格子 从为 1 的格子走一步，必然走向为 0 的格子 即：0 ->1或1->0 必然是奇数步转载 2012-08-14 23:01:39 · 1281 阅读 · 0 评论 -
杭电1015
Safecracker Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4682 Accepted Submission(s): 2327 Problem Description === Op tech br原创 2012-08-15 15:00:05 · 1106 阅读 · 0 评论 -
杭电1072
Nightmare Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4360 Accepted Submission(s): 2177 Problem Description Ignatius had a n原创 2012-08-16 17:11:07 · 846 阅读 · 0 评论 -
杭电1016深度搜索问题
Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 14061 Accepted Submission(s): 6390 Problem Description A ring原创 2012-08-15 21:51:41 · 1634 阅读 · 0 评论 -
杭电1026
Ignatius and the Princess I Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 7141 Accepted Submission(s): 2137 Special Judge Problem原创 2012-08-16 13:01:48 · 1377 阅读 · 0 评论 -
杭电1180
诡异的楼梯 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 5111 Accepted Submission(s): 1170 Problem Description Hogwarts正式开学以后,Harr原创 2012-08-18 19:03:56 · 622 阅读 · 0 评论 -
杭电1075
What Are You Talking About Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 102400/204800 K (Java/Others) Total Submission(s): 7555 Accepted Submission(s): 2341 Problem Description原创 2012-08-16 21:02:35 · 751 阅读 · 0 评论 -
Linked List Cycle
链表中是否存在环 Linked List Cycle II Total Accepted: 10308 Total Submissions: 33751My Submissions Given a linked list, return the node where the cycle begins. If there is no cycle, re原创 2014-04-10 17:18:56 · 694 阅读 · 0 评论