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Cod sursa(job #780881)
#include<stdio.h>
#include<fstream>
#include<iostream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int best[100003],a[100003], maxi,sol=0,poz[100003],p;
int n;
int main()
{
f>>n;
int i;
int j;
for(i=1;i<=n;i++){
f>>a[i];
}
best[n]=1;
poz[n]=-1;
maxi=1;
p=n;
for(i=n-1;i>=1;--i)
{
best[i]=1;
poz[i]=-1;
for(j=i+1;j<=n;j++)
if(a[i]<a[j] && best[i]<best[j]+1)
{
best[i]=best[j]+1;
poz[i]=j;
if(best[i]>maxi) maxi=best[i],p=i;
}
}
g<<maxi<<"\n";
i=p;
while(i!=-1)
{
g<<a[i]<<" ";
i=poz[i];
}
return 0;
}