记录编号 |
315578 |
评测结果 |
AWAWWWWTTT |
题目名称 |
[HZOI 2016]从零开始的序列 |
最终得分 |
20 |
用户昵称 |
sxysxy |
是否通过 |
未通过 |
代码语言 |
C++ |
运行时间 |
3.028 s |
提交时间 |
2016-10-05 16:15:02 |
内存使用 |
16.31 MiB |
显示代码纯文本
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cstdarg>
#include <list>
#include <queue>
#include <vector>
#include <algorithm>
#include <string>
#include <cmath>
#include <cctype>
using namespace std;
#define BT __attribute__((optimize("03")))
#define MAXN 200004
int data[MAXN];
int st[MAXN][19];
int f[MAXN];
int fast_read()
{
int r;
char ch;
bool sig = false;
while(ch = getchar())
{
if(ch >= '0' && ch <= '9')
{
r = ch^0x30;
break;
}else if(ch == '-')
sig = true;
}
while(isdigit(ch = getchar()))
r = (r<<3)+(r<<1)+(ch^0x30);
if(sig)return -r;
return r;
}
inline int ask(int l, int r)
{
int k = 0;
while((1<<(k+1)) <= r-l+1)
k++;
return min(st[l][k], st[r-(1<<k)+1][k]);
}
int main()
{
freopen("sky_seq.in", "r", stdin);
freopen("sky_seq.out", "w", stdout);
int n;
n = fast_read();
int mn = log(n)+1;
for(int i = 0; i < n; i++)
data[i] = fast_read();
for(int i = 0; i < n; i++)
st[i][0] = data[i];
for(int j = 1; (1<<j) <= n; j++)
for(int i = 0; i + (1<<j)-1 < n; i++)
st[i][j] = min(st[i][j-1] ,st[i+(1<<(j-1))][j-1]);
for(int i = 1; i <= n; i++) //长度
{
int ans = -0x7ffffffe;
for(int j = 0; j+i-1 < n; ) //起点
{
int k = ask(j, j+i-1);
if(k > ans)
{
j++;
ans = k;
}
else
{
int t = 0;
while(j+(1<<t+1)+i-1 < n && ask(j+(1<<(t+1)), i) <= ans)
t++;
j = j+(1<<t);
}
}
printf("%d ", ans);
}
return 0;
}