Cod sursa(job #3181593)

Utilizator mariusharabariMarius Harabari mariusharabari Data 7 decembrie 2023 13:45:04
Problema Secventa Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.83 kb
#include <bits/stdc++.h>
#include <deque>
using namespace std;

ifstream fin("secventa.in");
ofstream fout("secventa.out");

deque<int> d;
int n, k, dr, st;
short int v[500005];

int main(){
    fin>>n>>k;
    int i;
    for(i=0;i<n;i++){
        fin>>v[i];
    }

    for(i=0;i<k;i++){
        while(!d.empty()&&v[i]<=v[d.back()])
            d.pop_back();
        d.push_back(i);
    }

    long long int nmin=v[d.front()];
    dr=k;
    st=1;

    for(i=k;i<n;i++){
        while(!d.empty()&&v[i]<=v[d.back()])
            d.pop_back();
        if(!d.empty()&&d.front()==i-k)
            d.pop_front();
        d.push_back(i);

        if(nmin<v[d.front()]){
            nmin=v[d.front()];
            st=i-k+2;
            dr=i+1;
        }
    }

    fout<<st<<' '<<dr<<' '<<nmin<<endl;
    return 0;
}