Cod sursa(job #738800)

Utilizator geniucosOncescu Costin geniucos Data 21 aprilie 2012 16:35:06
Problema Secventa Scor 70
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.46 kb
#include<cstdio>
using namespace std;
int n,k,maxi,x,y,i,p,u,d[500002],a[500002];
int main()
{
freopen("secventa.in","r",stdin);
freopen("secventa.out","w",stdout);
scanf("%d",&n);
scanf("%d",&k);
p=1;
maxi=-32002;
for(i=1;i<=n;i++)
{
	scanf("%d",&a[i]);
	while(a[i]<=a[d[u]]&&u>0&&p<=u) u--;
	u++;
	d[u]=i;
	if(i-d[p]+1>k) p++;
	if(i>=k&&a[d[p]]>maxi)
	{
		maxi=a[d[p]];
		x=i-k+1;
		y=i;
	}
}
printf("%d %d %d\n",x,y,maxi);
return 0;
}