Cod sursa(job #1528032)

Utilizator vancea.catalincatalin vancea.catalin Data 18 noiembrie 2015 22:53:53
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.64 kb
#include<iostream>
#include<fstream>
#define D 500000
using namespace std;
fstream fin("secventa.in",ios::in),fout("secventa.out",ios::out);
int n,k;
short x[2*D+10],a;
int poz[2*D+10],pi,pf,maxim=-D,p=D,u=D;
int main()
{
    int i,r,j;
    fin>>n>>k;
    fin>>a;
    x[p]=a;
    poz[p]=1;
    for(i=2;i<=n;i++)
    {
        fin>>a;
        while(p<=u&&x[u]>=a) u--;
        x[++u]=a;
        poz[u]=i;
        while(i-poz[p]>=k) p++;
        if(i-poz[p]+1>=k&&x[p]>maxim)
        {
            maxim=x[p];
            pi=poz[p];
            pf=i;
        }
    }
    fout<<pi<<" "<<pf<<" "<<maxim<<"\n";
    return 0;
}