Cod sursa(job #1640275)

Utilizator KOzarmOvidiu Badea KOzarm Data 8 martie 2016 16:46:55
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.16 kb
#include <fstream>
#include <deque>
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int i,a[500005],n,k,mi,poz;
char x[3000005];
deque <int> d;
void parseaza()
{
    int i=0;int j=0;
    int t=0;
    int semn;
    while(x[i]!=0)
    {
        t=0;
        if(x[i]=='-')
        {
            semn=-1;
            i++;
        }
        else
            semn=1;
        while(x[i]>='0'&&x[i]<='9')
        {
            t=t*10+x[i]-'0';
            i++;
        }
        a[++j]=t*semn;
        i++;
    }
}
int main()
{
    fin>>n>>k;
    fin.get();
    fin.getline(x,3000005);
    parseaza();
    for(i=1;i<=k;i++)
    {
        while(!d.empty()&&a[d.back()]>=a[i])
            d.pop_back();
        d.push_back(i);
    }
    mi=a[d.front()];
    poz=k;
    for(i=k+1;i<=n;i++)
    {
        while(!d.empty()&&a[d.back()]>=a[i])
            d.pop_back();
        d.push_back(i);

        if(i-d.front()+1>k)
            d.pop_front();

        if(mi<a[d.front()])
        {
            poz=i;
            mi=a[d.front()];
        }
    }
    fout<<poz-k+1<<" "<<poz<<" "<<mi;
    return 0;
}