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#include <fstream>
#define NMAX 1002
using namespace std;
ifstream fin ("scmax.in");
ofstream fout ("scmax.out");
int n;
int a[NMAX];
int lgmax[NMAX], urm[NMAX];
int i, j, maxim, pozurm, pozmax;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
fin>>a[i];
//initializare
lgmax[n]=1; urm[n]=0;
//pd sufix
for(i=n-1;i>0;i--)
{maxim=1; pozurm=0;
for(j=i+1;j<=n;j++)
if(a[i]<=a[j] && maxim<1+lgmax[j])
{maxim=1+lgmax[j]; pozurm=j;}
lgmax[i]=maxim; urm[i]=pozurm;
}
//afisare
maxim=lgmax[1]; pozmax=1;
for(i=2;i<=n;i++)
if(maxim<lgmax[i])
{maxim=lgmax[i]; pozmax=i;}
fout<<maxim<<'\n';
while(pozmax)
{fout<<pozmax<<' ';
pozmax=urm[pozmax];
}
return 0;
}