寻找1~k内i的倍数.则这个数能够看成i*x,则下一个数为(i+1)*y,(i+1)*y>=i*x,那么能够推出.y=x-x/(i+1); 那么当x<i+1时,y==x.之后的循环也不会改变,就能够跳出. #include<stdio.h> __int64 x,y,k; int main() { __int64 i; int flag; __int64 sum; int cas=0; while(scanf("%I64d%I64d",&x,&k)…

2014多校 第八题 1008 2014 Multi-University Training Contest 8 4952 Number Transformation Number Transformation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 85 Accepted Submission(s): 31 Problem Descr…

http://acm.hdu.edu.cn/showproblem.php?pid=4952 Number Transformation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 171    Accepted Submission(s): 69 Problem Description Teacher Mai has an inte…

解题报告 两人轮流取球,大的人赢,,, 贴官方题解,,,反正我看不懂.,,先留着理解 关于费马小定理 关于原根 找规律找到的,,,sad,,, 非常easy找到循环节为p-1,每个循环节中有一个非零的球.所以仅仅要推断有多少完整循环节.在推断奇偶,., #include <iostream> #include <cstdio> #include <cstring> #include <cmath> using namespace std; int main(…

Redraw Beautiful Drawings Time Limit: 3000/1500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description Alice and Bob are playing together. Alice is crazy about art and she has visited many museums around the world. She has…

Area of Mushroom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2390    Accepted Submission(s): 578 Problem Description Teacher Mai has a kingdom with the infinite area. He has n students guard…

2014 Multi-University Training Contest 9#11 Killing MonstersTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 562    Accepted Submission(s): 308 Problem Description Kingdom Rush is a popular TD…

2014 Multi-University Training Contest 9#6 Fast Matrix CalculationTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 424    Accepted Submission(s): 219 Problem Description One day, Alice and Bob…

解题报告 题意,有n个机器.m个任务. 每一个机器至多能完毕一个任务.对于每一个机器,有一个最大执行时间Ti和等级Li,对于每一个任务,也有一个执行时间Tj和等级Lj.仅仅有当Ti>=Tj且Li>=Lj的时候,机器i才干完毕任务j,并获得500*Tj+2*Lj金钱. 问最多能完毕几个任务,当出现多种情况时,输出获得金钱最多的情况. 对任务和机器进行从大到小排序,从最大时间且最大等级的任务開始,选取全部符合时间限制的机器中等级要求最低的,这样能保证以下任务可选择的机器最多,如果选择的机器中等级要…

Lucky Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 664    Accepted Submission(s): 194 Problem Description “Ladies and Gentlemen, It’s show time! ”   “A thief is a creative artist wh…