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Cod sursa(job #384527)
#include<cstdio>
int n,a[100001],lung[100001],tata[100001],vec[100001];
int scan(int poz,int val)
{
int max,pozmax=0;
for(int i=1;i<=poz-1;i++)
if(a[i]<val && lung[i]>max)
{
max=lung[i];
pozmax=i;
}
lung[poz]=max+1;
tata[poz]=pozmax;
}
int main()
{
freopen("scmax.in","r",stdin);
freopen("scmax.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
scanf("%d",&a[i]);
for(int i=1;i<=n;i++)
{
lung[i]=0;
scan(i,a[i]);
}
int max=0,pozmax=0;
for(int i=1;i<=n;i++)
if(lung[i]>max)
{
max=lung[i];
pozmax=i;
}
printf("%d\n",lung[pozmax]);
vec[++vec[0]]=a[pozmax];
while(tata[pozmax]!=0)
{
vec[++vec[0]]=a[tata[pozmax]];
pozmax=tata[pozmax];
}
for(int i=vec[0];i>=1;i--)
printf("%d ",vec[i]);
return 0;
}