Cod sursa(job #962473)

Utilizator sddddgjdZloteanu Anastasia sddddgjd Data 15 iunie 2013 12:16:55
Problema Secventa Scor 100
Compilator c Status done
Runda Arhiva de probleme Marime 1.07 kb
#include<stdio.h>
#include<string.h>
#define N 500000
int v[N],coada[N];
char s[N*8+1];
int main()
{
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    int n,k;
    scanf("%d%d ",&n,&k);
    int i;
    gets(s);
    int cont=0,length=strlen(s);
    for(i=0;i<length;i++)
    {
        if(s[i]=='-')
        {
            i++;
            while(s[i]!=' '&&i<length)
                v[cont]=v[cont]*10+(s[i]-'0'),i++;
            v[cont]=-v[cont];
            cont++;
        }
        else
        {
           while(s[i]!=' '&&i<length)
            v[cont]=v[cont]*10+(s[i]-'0'),i++;
            cont++;
        }
    }
    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]];
    }
    printf("%d %d %d",poz1+1,poz2+1,max);
    return 0;
}