Cod sursa(job #979305)

Utilizator dobrebogdanDobre Bogdan Mihai dobrebogdan Data 1 august 2013 11:07:51
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.81 kb
#include<stdio.h>
#include<deque>
using namespace std;
short int v[500002];
deque<unsigned>d;
int main()
{
    freopen("secventa.in","r",stdin);
    freopen("secventa.out", "w", stdout);
    unsigned n,k,p,i;
    short int m;
    scanf("%u%u",&n,&k);
    for(i=1;i<=n;i++)
        scanf("%hd",&v[i]);
    for(i=1;i<=k;i++)
    {
        while(!d.empty() && v[d.back()]>v[i])
            d.pop_back();
        d.push_back(i);
    }
    m=v[d.front()];
    p=k;
    for(i=k+1;i<=n;i++)
        {
        while(!d.empty() && v[d.back()]>v[i])
            d.pop_back();
        d.push_back(i);
        if(d.front()<=i-k)
            d.pop_front();
        if(v[d.front()]>m)
        {
            m=v[d.front()];
            p=i;
        }
    }
    printf("%u %u %u\n",p-k+1,p,m);
    return 0;
}