Cod sursa(job #2491269)

Utilizator Iulia_DianaIulia Diana Iulia_Diana Data 12 noiembrie 2019 09:40:42
Problema Secventa Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.75 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int v[500005], m[500005];
int main()
{
    int n, k, i, a, st, dr, mij, in=1, sf=1, maxx=0, poz;
    fin >> n >> k;
    fin >> m[1];
    v[1]=1;
    for(i=2; i<=n; i++)
    {
        fin >> m[i];
        a=m[i];
        st=in;
        dr=sf;
        while(st<=dr)
        {
            mij=(st+dr)/2;
            if(m[v[mij]]>=a) dr=mij-1;
            else st=mij+1;
        }
        v[st]=i;
        sf=st;
        if(v[in]<=i-k)  in++;
        if(i>=k && m[v[in]]>maxx)
        {
            maxx=m[v[in]];
            poz=i;
        }
    }
    fout << poz-k+1 << " " << poz << " " << maxx;
    return 0;
}