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 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): 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)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…

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…

Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Generally speaking, villages connected by tunnels lay in a line. Except the two at the ends, every village was…