Cod sursa(job #848131)

Utilizator danutbodbodnariuc danut danutbod Data 4 ianuarie 2013 21:43:25
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.53 kb
#include <fstream>
#define NMax 1000003
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
int a[NMax], deque[NMax],i,k,n,p,u,pi,pf,maxi;
int main()
{
    f>>n>>k;
    for(i=1; i<=n; i++) f>>a[i];
    p=1;u=0;
    for(i=1; i<=n; i++)
    {
        while(p<=u && a[i]<= a[deque[u]]) u--;
        deque[++u]=i;
        if(deque[p]==i-k) p++;
        if(i>=k) if(maxi<a[deque[p]]){pi=i-k+1;pf=i;maxi=a[deque[p]];}
    }
    while(a[pf+1]>maxi)pf++;
    g<<pi<<" "<<pf<<" "<<maxi<<'\n';
    return 0;
}