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Codeforces Round 1017 (Div. 4)题解

摘要：题目地址 https://codeforces.com/contest/2094 锐评本次题目没什么好吐槽的。题意难度都挺好的，也没什么坑，比较符合D4预期。奈何自己太菜，想的有点慢，时间不够。F题构造题是我的弱项，想到个弱解被叉了。题解 Problem A. Trippi Troppi 题目大阅读全文

posted @ 2025-04-14 20:16 Silenceneo 阅读(299) 评论(0) 推荐(0)

Codeforces Round 1016 (Div. 3)题解

摘要：题目地址 https://codeforces.com/contest/2093 锐评在所有题意都理解正确的情况下，整体难度不算太难。但是偏偏存在F这么恶心的题意，样例都不带解释一下的，根本看不懂题。D题也恶心，在于递归过程的拆分，需要点数学，跟打印递归定义的图形一样，写麻了，好在过了。E题居然卡阅读全文

posted @ 2025-04-09 20:38 Silenceneo 阅读(378) 评论(0) 推荐(0)

RSA加密算法 C++实现

摘要：上信息安全课，老师布置了几个大作业，其中一个为RSA加密算法的实现，不能用Java写。出于兴趣，决定尝试。完成之后，为了便于查找，于是写下这篇文章，以备后续查看。也供大家一起学习，一起进步。 1、预备知识 1.1 快速幂算法顾名思义，快速幂就是快速算底数的$n$次幂。其时间复杂度为${\rm{O( 阅读全文

posted @ 2017-04-19 13:23 Silenceneo 阅读(24022) 评论(3) 推荐(1)

HDU 1754 I Hate It

摘要： I Hate It Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 66742 Accepted Submission(s): 25969 Pro 阅读全文

posted @ 2016-10-13 23:02 Silenceneo 阅读(466) 评论(0) 推荐(0)

HDU 1166 敌兵布阵

摘要：敌兵布阵 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 79267 Accepted Submission(s): 33532 Problem 阅读全文

posted @ 2016-10-13 21:52 Silenceneo 阅读(412) 评论(0) 推荐(0)

POJ 1651 Multiplication Puzzle

摘要： Multiplication Puzzle Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8760 Accepted: 5484 Description The multiplication puzzle is played w 阅读全文

posted @ 2016-10-09 11:01 Silenceneo 阅读(894) 评论(0) 推荐(0)

HDU 2476 String painter

摘要： String painter Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3639 Accepted Submission(s): 1697 阅读全文

posted @ 2016-10-09 01:52 Silenceneo 阅读(719) 评论(0) 推荐(0)

POJ 1141 Brackets Sequence

摘要： Brackets Sequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30738 Accepted: 8817 Special Judge Description Let us define a regular br 阅读全文

posted @ 2016-10-08 18:30 Silenceneo 阅读(492) 评论(0) 推荐(2)

POJ 2955 Brackets

摘要： Brackets Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6622 Accepted: 3558 Description We give the following inductive definition of a “r 阅读全文

posted @ 2016-10-07 22:11 Silenceneo 阅读(741) 评论(0) 推荐(0)

CodeForces 149D Coloring Brackets

摘要： Coloring Brackets time limit per test: 2 seconds time limit per test: 2 seconds memory limit per test: 256 megabytes memory limit per test: 256 megaby 阅读全文

posted @ 2016-10-07 20:05 Silenceneo 阅读(882) 评论(0) 推荐(0)