Cod sursa(job #1805808)

Utilizator stefanchistefan chiper stefanchi Data 14 noiembrie 2016 14:24:55
Problema Secventa Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.99 kb
#include <cstdio>
#include <deque>
#define Nmax 500010
using namespace std;
deque < int > deq;
int maxim,coord;
int vec[Nmax];
int n,k;
void read()
{
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    scanf("%d %d",&n,&k);
    for(int i = 1 ; i < k ; i++)
    {
        scanf("%d ",&vec[i]);
        while(!deq.empty() && vec[deq.back()] >= vec[i])
            deq.pop_back();
        deq.push_back(i);
    }
    maxim = deq.front();
    for(int i = k ; i <= n ; i++)
    {
        scanf("%d ",&vec[i]);
        if(!deq.empty() && deq.front() <= i - k )
            deq.pop_front();
        while(!deq.empty() && vec[deq.back()] >= vec[i])
            deq.pop_back();
        deq.push_back(i);
        if(vec[deq.front()] > vec[maxim])
            {
                maxim = vec[deq.front()];
              coord = i;
            }
    }
}

int main()
{
    read();
    printf("%d %d %d", coord - k + 1, coord , maxim);
    return 0;
}