Cod sursa(job #2938425)

Utilizator Radu_BicliBiclineru Radu Radu_Bicli Data 12 noiembrie 2022 08:51:12
Problema Secventa Scor 100
Compilator cpp-64 Status done
Runda cnilc1_2-dq Marime 0.62 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("secventa.in");
ofstream fout("secventa.out");
long long n, k, i, m = -999999, u;
int a[500002];
int q[500002], st = 1, dr;

int main() {
    fin >> n >> k;
    for(i = 1; i <= n; i++) fin >> a[i];
    for(i = 1; i <= n; i++) {
        while(dr >= st && a[i] <= a[q[dr]]) dr--;
        q[++dr] = i;
        if(i >= k) {
            if(dr >= st && i - q[st] + 1 > k) st++;
            if(m < a[q[st]]) {
                u = i;
                m = a[q[st]];
            }
        }
    }
    fout << u - k + 1 << " " << u << " " << m;

    return 0;
}