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hdoj 2795 Billboard【线段树区间最大值】
BillboardTime Limit: 20000/8000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 16023Accepted Submission(s): 6770Problem...
分类:其他好文   时间:2015-09-15 00:15:16    阅读次数:204
HDU2795 Billboard 线段树
开始的代码,暴力求解。。。。。果断超时 #include #include #include using namespace std; const int maxn = 200005; int main() {     int  h, w, k, b;     int  a[maxn] ;     bool flag;     while(scanf("%d...
分类:其他好文   时间:2015-08-26 15:51:02    阅读次数:148
hdoj 2795 Billboard 【线段树 单点更新 + 维护区间最大值】
Billboard Time Limit: 20000/8000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 15719    Accepted Submission(s): 6629 Problem Description At the entranc...
分类:其他好文   时间:2015-08-20 18:55:52    阅读次数:130
HDU 2795 Billboard(线段树,单点更新)
D - BillboardCrawling in process... Crawling failed Time Limit:8000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 279...
分类:其他好文   时间:2015-08-19 13:19:25    阅读次数:134
HDU 2795 Billboard (线段树)
Billboard Time Limit: 20000/8000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 15625    Accepted Submission(s): 6580 Problem Description At the entranc...
分类:其他好文   时间:2015-08-15 11:56:52    阅读次数:178
hdu 2795 Billboard(线段树单点更新)
Billboard                                                Time Limit: 20000/8000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 15595    Accepted Submission(s): 65...
分类:其他好文   时间:2015-08-13 17:58:55    阅读次数:157
hdu 2795 Billboard
以h建树,不过要注意,当h>n时只需要1-n就够了 简单线段树,维护区间最大值 #include #define maxn 222222 using namespace std; struct stu { int left,right,max; }; stu mapp[maxn*4]; int n,m,t,x; void build(int l,int r,int count) { map...
分类:其他好文   时间:2015-08-11 18:56:13    阅读次数:142
线段树专题—HDU2795 Billboard
题意:给一块h*w广告板,然后给n个1*wi的广告条,广告条放的顺序是有限选择向上的,再优先选择左边的,对于每块广告条,输出它放的位置,如果放不下,输出-1 分析:很简单的单点更新max值的线段树,思路很好想,以广告板的每个高度建树,更新点的时候优先选择高度值小的点。 注意:比较容易出错的是 ,要注意h的范围啊1e9!!!,直接以这个高度建树肯定爆啊,这里注意到n是200000...
分类:其他好文   时间:2015-08-10 14:50:04    阅读次数:114
hdu 2795 Billboard
hdu 2795 的传送门–>Problem Description At the entrance to the university, there is a huge rectangular billboard of size h*w (h is its height and w is its width). The board is the place where all possible...
分类:其他好文   时间:2015-08-08 13:38:45    阅读次数:141
Billboard
Problem Description At the entrance to the university, there is a huge rectangular billboard of size h*w (h is its height and w is its width). The board is the place where all possible announcements ...
分类:其他好文   时间:2015-08-08 12:05:48    阅读次数:102
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