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Cod sursa(job #624280)
/*#include <fstream>
#include <stdio.h>
#include <limits.h>
using namespace std;
ifstream f("secventa.in");
FILE *g=fopen("secventa.out","w");
int n,k,v[500001],deq[500001],maxb=INT_MIN,pi,pf;
int main(void){
register int i,j;
// fscanf(f,"%d %d",&n,&k);
f>>n>>k;
deq[1]=1;
//fscanf(f,"%d",&v[1]);
f>>v[1];
long long sum=0;
int p=1,u=1;
for(i=2;i<=n;i++){
//fscanf(f,"%d",&v[i]);
f>>v[i];
while(p<=u && v[deq[u]]>=v[i])
u--;
deq[++u]=i;
if(i-deq[p]==k)
p++;
if(i>=k){
if(v[deq[p]]>maxb){
maxb=v[deq[p]];
pf=deq[u];
}
}
}
fprintf(g,"%d %d %d",pf-k+1,pf,maxb);
return 0;
}*/
#include<cstdio>
#include<fstream>
using namespace std;
int n,k,i,SOL=-30001,end,V[500010],front,Back,deque[500010];
ifstream in("secventa.in");
ofstream out("secventa.out");
void solve();
int main()
{
solve();
return 0;
}
void solve()
{
in>>n>>k;
front=1;Back=0;
for(i=1;i<=n;i++)
{
in>>V[i];
while(front<=Back && V[i]<V[deque[Back]])
Back--;
deque[++Back]=i;
if(deque[front]==i-k)front++;
if(i>=k && V[deque[front]]>SOL)
{
SOL=V[deque[front]];
end=i;
}
}
out<<end-k+1<<' '<<end<<' '<<SOL;
}