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Cod sursa(job #917580)
#include <fstream>
using namespace std;
ifstream in("scmax.in");
ofstream out("scmax.out");
int i,j,n,lung[100001],v[100001],x,y,maxi=0,inc,s[100001],k=0;
int main(){
in>>n>>v[1];
lung[1]=1;
for(i=2;i<=n;i++) in>>v[i];
for(i=2;i<=n;i++){
in>>v[i];
for(j=1 ; j<i ; j++)
if(v[j] < v[i])
if(lung[j] > lung[i]){
lung[i] = lung[j];
}
lung[i]++;
}
for(i=1;i<=n;i++){
if(lung[i]>maxi) {maxi=lung[i]; inc=i;}
}
out<<maxi<<'\n';
i=inc;
s[++k]=v[i];
for(j=inc-1;j>=1;j--){
if(v[j]<v[i]){ i=j; s[++k]=v[i]; }
}
for(;k>=1;k--) out<<s[k]<<' ';
return 0;
}