[链接]:CF [题意]:对于一个数n,每次加一的代价是a,每次减一的代价是b,求被m整除时的最小代价. [分析]:分情况讨论,自己多举几个栗子. [代码]: #include<cstdio> #include<string> #include<cstdlib> #include<cmath> #include<iostream> #include<cstring> #include<set> #include<qu…

E. Jzzhu and Apples time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Jzzhu has picked n apples from his big apple tree. All the apples are numbered from 1 to n. Now he wants to sell them to…

Balls and Boxes 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5810 Description Mr. Chopsticks is interested in random phenomena, and he conducts an experiment to study randomness. In the experiment, he throws n balls into m boxes in such a manner t…

C. Okabe and Boxes 这个题目是一个有点思维的模拟,当时没有想到, 思维就是这个栈的排序这里,因为每次直接排序肯定会t的,所以不可以这么写,那怎么表示排序呢? 就是直接把栈清空,如果栈顶就是我们需要的这个值,那就把这个值直接pop, 但是如果不是呢,就可以直接清空这个栈表示排序,如果栈已经是空的了,说明之前排过序了. 如果不是那就清空(排序),这个有点难想. #include <cstdio> #include <cstring> #include <cstd…

Dying Light Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 513    Accepted Submission(s): 122 Problem Description LsF is visiting a local amusement park with his friends, and a mirror room su…

Professor GukiZ is concerned about making his way to school, because massive piles of boxes are blocking his way. In total there are n piles of boxes, arranged in a line, from left to right, i-th pile (1 ≤ i ≤ n) containing ai boxes. Luckily, m stude…

[链接]:CF [代码]: #include<bits/stdc++.h> #define PI acos(-1.0) #define pb push_back #define F first #define S second #define debug puts #define setp cout << fixed << setprecision(3) #define FAST_IO ios::sync_with_stdio(false);cin.tie(0);cou…

1825: 会长爱数学 Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 6  Solved: 2 SubmitStatusWeb Board Description 陆爸爸不仅是个爱晨刷的girl,也特别喜欢数学呢.然而她已经不满足于高数线代这些简单玩意了, 她要自己定义一种运算改变世界!有一天她垂死梦中惊坐起,突然就想到了一种新的运算F(X). 如F(123)=1*2+2*3+3*1=11.陆爸爸发现对于所有的数字来说不停的F()会进入一个循环,…

C. Thor time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Thor is getting used to the Earth. As a gift Loki gave him a smartphone. There are napplications on this phone. Thor is fascinated b…

题目描述 Description There is a strange storehouse in PKU. In this storehouse there are n slots for boxes, forming a line. In each slot you can pile up any amount of boxes. The limitation is that you can only pile a smaller one above a bigger one, in ord…