题目 贴这个题是因为看题解有更简单的方法, 我做的时候是直接算的, 也很简单. 贴一下题解吧: 如果一个整数不等于 0,那么该整数的二进制表示中至少有一位是 1. 这个题结果可以直接输出 x - (x&(x-1)); 因为x-1 之后二进制下,就是最右边的1变成了0, 最右边的1的 右边所有的0变成了1, 不影响最左边. 我的代码: 1 #include <iostream> 2 #include <cstdio> 3 #include <cstring> 4

n a^o7 ! Time Limit: 1000MS Memory limit: 65536K 题目描述 All brave and intelligent fighters, next you will step into a distinctive battleground which is full of sweet and happiness. If you want to win the battle, you must do warm-up according to my inst

G - Brain Network (easy) Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u CodeForces 690C1 Description One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know

Problem Description 涨姿势题就是所谓的优化题,在组队赛中,队伍发现了一题水题,那么应该交给谁去处理?作为处理水题的代码手,应该具备什么样的素养?1,要快,水题拼的就是速度!2,不能卡水题!水题都卡,绝对不是一个代码手的风范!3,不能出错,错一次即罚时20分钟,对于水题来讲是致命的!4,要能看出来一题是水题!没有这条,上面三条都是没有意义的! 如果你希望你成团队中一个合格的代码手,那么这套题是你最好的选择,快AC吧! 本系列即是为了提高水题代码手的素养而准备的!水题经常需要用到

Identity Card Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2696    Accepted Submission(s): 1048 Problem Description Do you own an ID card?You must have a identity card number in your family'

B - 楼下水题 Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 7C Description A line on the plane is described by an equation Ax + By + C = 0. You are to find any point on this line, whose coo

水题,主要是学习文件输入输出. 1 /* 2 ID: ijustwa1 3 LANG: C++ 4 TASK: ride 5 */ 6 #include<cstdio> 7 #include<cstring> 8 9 using namespace std; 10 11 const int base=16; 12 const int mod=47; 13 14 char s[10]; 15 char t[10]; 16 17 int main() 18 { 19 FILE *fin

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Hiking Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 724    Accepted Submission(s): 384Special Judge Problem Description There are 

题意:判断一些数里有最大因子的数 水题,省赛即将临近,高效的代码风格需要养成,为了简化代码,以后可能会更多的使用宏定义,但是通常也只是快速拿下第一道水题,涨自信.大部分的代码还是普通的形式,实际上能简化的部分也不太多 1 #include<iostream> 2 #include<cstring> 3 #include<cmath> 4 #include<cstdio> 5 using namespace std; 6 #define for0n for(i