标签:ted seq ecif title show can auto orm sequence
1 3 0 0 2
Case #1: 1 1 2HintIn the sample, we add three numbers to the sequence, and form three sequences. a. 1 b. 2 1 c. 2 1 3
#include<stdio.h>
#include<string.h>
#define max(a,b) (a>b?a:b)
int a[100010];
int node[100010<<2],d[100010],len,dp[100010];
void build(int l,int r,int tr)
{
node[tr]=r-l+1;
if(l==r)
return;
int mid=(l+r)>>1;
build(l,mid,tr<<1);
build(mid+1,r,tr<<1|1);
node[tr]=node[tr<<1]+node[tr<<1|1];
}
int bin(int x)
{
int l=1,r=len;
while(l<=r)
{
int mid=(l+r)>>1;
if(x>dp[mid])
l=mid+1;
else
r=mid-1;
}
return l;
}
void insert(int pos,int num,int l,int r,int tr)
{
if(l==r)
{
d[num]=l;
node[tr]=0;
return;
}
int mid=(l+r)>>1;
node[tr]--;
if(pos<=node[tr<<1])
{
insert(pos,num,l,mid,tr<<1);
}
else
insert(pos-node[tr<<1],num,mid+1,r,tr<<1|1);
}
int main()
{
int t,c=0;
scanf("%d",&t);
while(t--)
{
int n;
scanf("%d",&n);
int i;
for(i=1;i<=n;i++)
{
scanf("%d",&a[i]);
dp[i]=0;
}
build(1,n,1);
for(i=n;i>0;i--)
{
insert(a[i]+1,i,1,n,1);
}
len=0;
/*for(i=1;i<=n;i++)
{
printf("%d\n",d[i]);
}*/
printf("Case #%d:\n",++c);
for(i=1;i<=n;i++)
{
int k=bin(d[i]);
len=max(len,k);
dp[k]=d[i];
printf("%d\n",len);
}
printf("\n");
}
}HDOJ 题目3564 Another LIS(线段树单点更新,LIS)
标签:ted seq ecif title show can auto orm sequence
原文地址:http://www.cnblogs.com/lxjshuju/p/6848353.html