Farewell

摘要： Tour operator Your Personal Holiday organises guided bus trips across the Benelux. Every day the bus moves from one city S to another city F. On this 阅读全文

摘要： Christmas is coming to KCM city. Suby the loyal civilian in KCM city is preparing a big neat Christmas tree. The simple structure of the tree is shown 阅读全文

摘要： 大家一定觉的运动以后喝可乐是一件很惬意的事情，但是seeyou却不这么认为。因为每次当seeyou买了可乐以后，阿牛就要求和seeyou一起分享这一瓶可乐，而且一定要喝的和seeyou一样多。但seeyou的手中只有两个杯子，它们的容量分别是N 毫升和M 毫升 可乐的体积为S （S include 阅读全文

摘要： Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locating in the sea 阅读全文

摘要： 划分数：把n个无区别的物品划分成不超过m组。 dp[i][j]=j的i划分的总数。 dp[i[j]=dp[i][j i]+dp[i 1][j] 即：将j个物品分成i份，有两种情况：每份划分都大于等于1 dp[i][j i]; 存在有一份以上用0划分dp[i 1][j] int main() { in 阅读全文

摘要： FatMouse's Speed FatMouse believes that the fatter a mouse is, the faster it runs. To disprove this, you want to take the data on a collection of mice 阅读全文

摘要： ``` include include include using namespace std; const int INF=0x3f3f3f3f; const int maxn=10005; int perm[maxn]; bool used[maxn]; int n; void permutat 阅读全文

摘要： 题目描述 我们定义一个圆 C 为以原点 (0, 0) 为中心的单位圆(半径为 1 的圆)。给定在 C 圆周上相异的两点 A, B。请问由 A 出发，沿着圆周走到 B，是顺时针走比较近，还是逆时针走比较近呢？ C 的圆周上的所有点都可以用 (cos(t), sin(t)) 来表示，其中 t 的物理意义 阅读全文

摘要： Iahub and Sorin are the best competitive programmers in their town. However, they can't both qualify to an important contest. The selection will be ma 阅读全文

摘要： A. Water The Garden time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output It is winter now, and Max 阅读全文