http://poj.org/problem?id=2892 #include <cstdio> #include <cstring> #include <algorithm> #define maxn 51000 using namespace std; int stack1[maxn],top; struct node { int l,r; int len,ren; }p[maxn*]; void up(int i) { p[i].len=p[i<<].…

校赛,还有什么途径可以申请加入ACM校队?  Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6483    Accepted Submission(s): 2502 Problem Description During the War of Resistance Against Japan, tunnel…

http://acm.hdu.edu.cn/showproblem.php?pid=1540 Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3168    Accepted Submission(s): 1216 Problem Description During the War of Resistan…

Tunnel Warfare Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=1540 Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Gene…

Tunnel Warfare                                  Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast…

Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3293    Accepted Submission(s): 1272 Problem Description During the War of Resistance Against Japan, tunnel warfare was carried ou…

Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Gene…

Tunnel Warfare 题意:D代表破坏村庄,R代表修复最后被破坏的那个村庄,Q代表询问包括x在内的最大连续区间是多少 思路:一个节点的最大连续区间由(左儿子的最大的连续区间,右儿子的最大连续区间,左儿子的最大连续右区间+右儿子的最大连续左区间)决定 所以线段树的节点应该维护当前节点的最大连续左区间,最大连续右区间,和最大连续区间. 注意更新的时候,如果左儿子全满,父亲节点的左连续区间还要加上右儿子的左区间.反之同理. 查询的时候,可以剪枝,如果是叶子,或为空,或满,则不用往下查询. 查询…

Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11180    Accepted Submission(s): 4389 Problem Description During the War of Resistance Against Japan, tunnel warfare was carried ou…

HDU 1540 思路1: 树状数组+二分 代码: #include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back #define ls rt<<1,l,m #define rs rt<<1|1,m+1,r #define mem(a,b) memset(a,b,sizeof(a)) ; int bit[N]; bool vis[N]; int n; int a…