Jimmy_King

卢卡斯定理 主席树 Sunday AC自动机 链式前向星#include<string.h>#define MAX 10000struct node{ int to,nex,wei;}edge[MAX*2+5];int head[MAX+5],cnt;void add(int u,int v,int w)//添加一个单向边u->v 权为w {...

J. Robots at WarehouseVitaly works at the warehouse. The warehouse can be represented as a grid of n × m cells, each of which either is free or is occupied by a container. From every free cell it’s ...

N-Dimensional GridYou are given an n-dimensional grid in which the dimensions of the grid are a1 × a2 × … × an. Each cell in the grid is represented as an n-tuple (x1, x2, …, xn) (1 ≤ xi ≤ ai).Two...

DescriptionFarmer John realizes that the income he receives from milk production is insufficient to fund the growth of his farm, so to earn some extra money, he launches a cow-rental service, which ...

Chess

CF-gym-334-AGerald has n younger brothers and their number happens to be even. One day he bought n2 candy bags. One bag has one candy, one bag has two candies, one bag has three candies and so on. I

Auxiliary Project

At 184~280 A.D ,there were many kingdoms in China. Three strongest among them are “Wei”, “Shu”, “Wu”. People call this period as “Three Kingdoms”.

位运算

字节跳动冬令营网络赛Chiaki has a very big sheet of paper. This sheet has a form of rectangle with dimensions 1 x n and numbers from 1 to n was written on each small 1 x 1 grid. Chiaki would like to fold the pa...