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 {...

POJ 3041

DescriptionConsider a town where all the streets are one-way and each street leads from one intersection to another. It is also known that starting from an intersection and walking through town’s st...

DescriptionFrank N. Stein is a very conservative high-school teacher. He wants to take some of his students on an excursion, but he is afraid that some of them might become couples. While you can ne...

DescriptionOn a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to an adjacent point. For each little ma...

DescriptionCows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others.Farmer John has cooked fabulous meals for his cows, but he forgot to...