Cod sursa(job #994815)

Utilizator primulDarie Sergiu primul Data 6 septembrie 2013 13:43:04
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.79 kb
#include <fstream>
#include <deque>
using namespace std;
 
ifstream f("secventa.in");
ofstream g("secventa.out");
 
deque < int > D;
int a[500005], n, k, inc, sf, minim=-1000000, ind;
string s;
 
int next()
{
    int semn=1, nr=0;
    if (s[ind]=='-') semn=-1, ind++;
    while (s[ind]!=' ') nr=nr*10+s[ind]-'0', ind++;
    ind++;
    return semn*nr;
}
 
int main()
{
    f>>n>>k;
    f.get(); getline(f,s); s+=' ';
    for (int i=1; i<=n; i++) a[i]=next();
 
    for (int i=1; i<=n; i++)
    {
        while (D.size() && D.front()<=i-k) D.pop_front();
        while (D.size() && a[i]<=a[D.back()]) D.pop_back();
        D.push_back(i);
 
        if (i>=k && minim<a[D.front()]) minim=a[D.front()], inc=i-k+1, sf=i;
    }
    g<<inc<<' '<<sf<<' '<<minim<<'\n';
    return 0;
}