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Cod sursa(job #831235)
#include<stdio.h>
int best[100003],a[100003],max,sol=0,poz[100003],p,n;
void dinamic(){
int i,j;
best[n]=1;
poz[n]=-1;
max=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]){
best[i]=best[j]+1;
poz[i]=j;
if(best[i]>max){
max=best[i];
p=i;
}
}
}
}
void constr(){
int i;
i=p;
while(i!=-1){
printf("%d ",a[i]);
i=poz[i];
}
}
int main(){
int i;
freopen("scmax.in","r",stdin);
freopen("scmax.out","w",stdout);
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d",&a[i]);
dinamic();
printf("%d\n",max);
constr();
return 0;
}