Cod sursa(job #962469)

Utilizator sddddgjdZloteanu Anastasia sddddgjd Data 15 iunie 2013 12:03:42
Problema Secventa Scor 80
Compilator c Status done
Runda Arhiva de probleme Marime 0.69 kb
#include<stdio.h>
#define N 500000
int v[N],coada[N];
int main()
{
    FILE *fin,*fout;
    fin=fopen("secventa.in","r");
    fout=fopen("secventa.out","w");
    int n,k;
    fscanf(fin,"%d%d",&n,&k);
    int i;
    for(i=0;i<n;i++)
        fscanf(fin,"%d",&v[i]);
    int st=1,dr=0;
    int max=-30001;
    int poz1,poz2;
    for(i=0; i<n; i++)
    {
        while(st<=dr&&v[i]<=v[coada[dr]])
            dr--;
        dr++;
        coada[dr] = i;
        if (coada[st] == i-k)
            st++;
        if (i+1>=k)
            if(v[coada[st]]>max)
                poz1=i-k+1,poz2=i,max=v[coada[st]];
    }
    fprintf(fout,"%d %d %d",poz1+1,poz2+1,max);
    return 0;
}