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敌兵布阵Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 70734    Accepted Submission(s): 29632Problem DescriptionC国的死对头A国这段时间正在进行军事演习，所以

Prim最小生成树

AC自动机

树状动规

AC自动机

线段树找最大值

DescriptionA prefix of a string is a substring starting at the beginning of the given string. The prefixes of "carbon" are: "c", "ca", "car", "carb", "carbo", and "carbon". Note that the empty str

优化很重要

噫

#include#include#include#include#includeusing namespace std;int n;bool bal(int &w){ int w1,w2,d1,d2; bool b1=1,b2=1; scanf("%d%d%d%d",&w1,&d1,&w2,&d2); if(!w1)b1=bal(w1); if

AC自动机模板题

动规 邻接表/模拟树