题目: 超级密码 Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4233 Accepted Submission(s): 1363 Problem Description Ignatius花了一个星期的时间终于找到了传说中的宝藏,宝藏被放在一个房间里,房间的门用密码锁起来了,在门旁边的墙上有一些关于密码的提示信息:密码是一个C…
题目链接 C. Hacking Cyphertime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarpus participates in a competition for hacking into a new secure messenger. He's almost won. Having carefully studied the…
Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 3980 Accepted Submission(s): 1620 Problem Description Sample Input 2 Sample Output 2 Hint 1. For N = 2, S(1) = S(2) = 1. 2. The input…
前几天,一个小姐姐问我取余和取模有什么区别,我当时第一反应就是二者是一样的,但是小姐姐咬死说不一样.我去百度了一下还真的不一样.脑壳疼,我当初误导了多少人.所以为了帮助我记忆也为了帮助预防我误人子弟 在C语言中对于整型数a,b来说,取模运算或者求余运算的方法都是: 第一步,求整数商: c = a / b; 第二步,计算模或者余数: r = a - c * b. 那么差异在哪呢?其实在第一步 取余运算在计算c的值时,向 0 方向舍入: 取模运算在计算c的值时,向 –∞ 方向舍入. 所谓向0方向舍入…
Problem Descripton Two planets named Haha and Xixi in the universe and they were created with the universe beginning. There is 73 days in Xixi a year and 137 days in Haha a year. Now you know the days N after Big Bang, you need to answer whether it i…