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Lndulge.
一个蒟蒻 OIer
还在努力中 noip加油！
这个博客用来记录笔记和做的题。。
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[hdu&poj&洛谷] 经典线段树练习题
1.hdu1166敌兵布阵#include#include#define maxn 50000int ans;struct node { int left,right,sum; int mid() { return (left+right)>>1; }}tree[maxn*4];void btree(int left,int r原创 2017-06-01 08:10:10 · 798 阅读 · 0 评论 -
[练习] LCA练习1(最基础)
hdu 2586 How Far Away?lca求最短距离（模板题）#include#include#include#include#include#include#define N 40005using namespace std;int n,m;int num=0;int b[2*N],w[2*N],nt[2*N],p[2*N];int fa[N][20],d[N原创 2017-06-02 11:54:52 · 406 阅读 · 0 评论 -
[hdu5698]: 瞬间移动(两种方法求组合数)
welcome to my blog!!!瞬间移动Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1178 Accepted Submission(s): 583Problem Desc原创 2017-06-28 20:29:23 · 889 阅读 · 0 评论 -
[hdu1576]: A/b (扩展欧几里得)
A/BTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5900 Accepted Submission(s): 4620Problem Description要求(A原创 2017-06-28 10:40:26 · 282 阅读 · 0 评论