Cod sursa(job #68556)

Utilizator gabitzish1Gabriel Bitis gabitzish1 Data 28 iunie 2007 13:50:52
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.01 kb
#include<stdio.h>
#include<string.h>
#include<limits.h>

long n, k, i, st, dr, rez, poz, a[500001], q[500001];

int main()
{
  freopen("secventa.in","r",stdin);
  freopen("secventa.out","w",stdout);



  scanf("%ld %ld",&n,&k);

int ind, x;
char sir[1000024], c;
fgetc(stdin);
fgets(sir,1000024,stdin), x = ind = 0;
for(sir; sir[ind] >= '0' && sir[ind] <= '9'; ind++)
    x = x*10+(sir[ind]-'0');
i=1;
while (i<strlen(sir))
  {
    long nr=1;
    for (i=0; i<strlen(sir);i++)
      if (sir[i]=='-') { a[nr++]=(sir[++i]-'0')*-1; i++;}
         else  a[nr++]=sir[i++]-'0';
  }

  rez=LONG_MIN;
  st=1, dr=0;
  for (i=1; i<=k-1; i++)
    {
      while(dr>=st && a[i]<=a[q[dr]]) dr--;
      dr++;
      q[dr]=i;
    }
  for (i=k; i<=n; i++)
    {
      while (st<=dr && a[i]<=a[q[dr]]) dr--;
      dr++;
      q[dr]=i;
      while (st<=dr && q[st]<i-k+1) st++;
      if (a[q[st]]>rez)
	{
	  rez=a[q[st]];
	  poz=i;
	}
    }

  printf("%ld %ld %ld",poz-k+1, poz, rez);
  return 0;

}