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Cod sursa(job #341166)
#include<cstdio>
#define N 500001
#include<algorithm>
using namespace std;
int n,k,v[N],p,u,miin,sf,inc,d[N],num;
char s[N];
void citire()
{
freopen("secventa.in","r",stdin);
freopen("secventa.out","w",stdout);
scanf("%d%d\n",&n,&k);
fgets(s,N-1,stdin);
for (int i=0; s[i]&&s[i]!=10; ++i)
{
int nr=0;
int semn=1;
if (s[i]=='-')
{
semn=-1;++i;
}
bool ok=false;
while(s[i]>='0'&&s[i]<='9'&&s[i]&&s[i]!=10)
{
nr=nr*10+s[i]-'0';++i;ok=true;
}
if (ok)
v[++num]=nr*semn;
}
for (int i=1; i<=k; ++i)
{
while (p!=u&&v[i]<v[d[u-1]])
--u;
d[u++]=i;
}
miin=v[d[p]];
inc=1;sf=k;
for (int i=k+1; i<=n; ++i)
{
int g=i-d[p];
if (g==k)
++p;
while (u!=p&&v[i]<v[d[u-1]])
--u;
d[u++]=i;
if (miin<v[d[p]])
{
miin=v[d[p]];
inc=d[p];
sf=d[u-1];
}
}
printf("%d %d %d",inc,sf,miin);
}
int main()
{
citire();
return 0;
}