Cod sursa(job #27841)

Utilizator fireatmyselfBogdan-Alexandru Stoica fireatmyself Data 7 martie 2007 10:16:08
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.84 kb
#include<stdio.h>
FILE* f= fopen("secventa.in", "rt");
FILE* g = fopen("secventa.out", "wt");
int
contor=0,deque[500010],primul=1,ultimul,N,K,max,PozInit,PozFin,poz[500010];

int main()
{
fscanf(f,"%d %d",&N,&K);
for(int i=1;i<=K;i++)
    {int aux;
     fscanf(f,"%d",&aux);
    while(aux<deque[ultimul] && ultimul > 0)
       ultimul--;
    deque[++ultimul] = aux;
    poz[ultimul] = i;
    }
max=deque[primul];
PozInit=poz[primul];PozFin=poz[ultimul];
for(int i=K+1;i<=N;i++)
  {
  int aux;
  fscanf(f,"%d",&aux);
  if(poz[primul]<i-K+1)
    primul++;
  while(aux<deque[ultimul] && ultimul >= primul)
    ultimul--;
  deque[++ultimul] = aux;
  poz[ultimul] = i;
  if(max<deque[primul])
    {max=deque[primul];
    PozFin=i;
    }
  }
fprintf(g,"%d %d %d",PozFin-K+1,PozFin, max);
fclose(f);
fclose(g);
return 0;
}