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暴力O(n^2)程序#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
int n,mxl,ans,a[6000],f[6000],g[6000];
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
scanf("%d",&a[i]);
for(int i=1;i<=n;i++)
{
bool flg=false;
for(int j=i-1;j>=1;j--)
{
if(a[j]==a[i]){flg=true;break;}
if(a[j]>a[i])
{
if(f[j]+1>f[i])
{
f[i]=f[j]+1;
g[i]=g[j];
}
else if(f[j]+1==f[i])
g[i]+=g[j];
}
}
if(!flg)f[i]=max(f[i],1),g[i]=max(g[i],1);
mxl=max(mxl,f[i]);
}
for(int i=1;i<=n;i++)
{
if(f[i]==mxl)ans+=g[i];
}
printf("%d %d",mxl,ans);
return 0;
}
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