Cod sursa(job #228262)

Utilizator nparfene2004Parfene Narcis nparfene2004 Data 6 decembrie 2008 20:25:22
Problema Secventa Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.72 kb
#include<stdio.h>
#define Dim 500001

int q[Dim], x, max ;
long ind[Dim] ;
long poz, pr, ul, n, k, i, p ;

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

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

 // calculez minimul din primele k:
 max = 31000 ; poz = 1 ;
 for (i=1 ; i<=k ; i++)
  {
   scanf("%d",&x) ;
   if (max > x) { max = x ; p = i ; }
  }
 pr = ul = 0 ;
 q[ul] = max ; ind[ul] = p ;

 // calculez restul:
 for ( ; i<=n; i++)
  {
   scanf("%d",&x) ;
   while ((q[ul] >= x) && (pr<=ul)) ul-- ;
   q[++ul] = x ;
   ind[ul] = i ;
   if (ind[pr] <= i-k) pr++ ;
   if (max < q[pr]) {max = q[pr] ;poz = ind[pr]; }
  }
 printf("%ld %ld %d\n",poz,poz+k-1,max) ;
 return 0 ;
}