Cod sursa(job #2045131)

Utilizator DenisONIcBanu Denis Andrei DenisONIc Data 21 octombrie 2017 20:58:01
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include <bits/stdc++.h>
#define Nmax 500001
using namespace std;

FILE *f = fopen("secventa.in","r");
FILE *g = fopen("secventa.out","w");

int n,k,v[Nmax],lst,mx=-1e7,sav;
vector<pair<int,int> > Q;

int main()
{
    fscanf(f,"%ld%ld",&n,&k);
    for (int i=1;i<=n;i++)
    {
        fscanf(f,"%d",&v[i]);
        while (lst<Q.size() && Q.back().first>=v[i])
            Q.pop_back();
        Q.push_back({v[i],i});
        if (Q[lst].second<i-k+1)
            lst++;
        if (mx<Q[lst].first && i>=k)
            {mx = Q[lst].first,sav = i-k+1;}
    }
    fprintf(g,"%d %d %d",sav,sav+k-1,mx);
    return 0;
}