Cod sursa(job #2809430)

Utilizator DordeDorde Matei Dorde Data 26 noiembrie 2021 23:30:47
Problema Secventa Scor 70
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.8 kb
#include <bits/stdc++.h>
using namespace std;
ofstream fout ("secventa.out");
int const N = 5e5 + 3 , inf = (1 << 30);
int v [N];
int main(){
    freopen ("secventa.in" , "r" , stdin);
    int n , k;
    scanf("%d%d" , &n , &k);
    for(int i = 1 ; i <= n ; ++ i)
        scanf("%d" , &v[i]);
    deque <int> d;
    int ans (-inf) , left , right;
    for(int i = 1 ; i <= n ; ++ i){
        while (d.size () && i - d.front () >= k)
            d.pop_front ();
        while (d.size () && v [d.back ()] > v [i])
            d.pop_back ();
        d.push_back (i);
        if (d.size () && i >= k && v [d.front ()] > ans){
            ans = v [d.front ()];
            right = i;
        }
    }
    fout << right - k + 1 << ' ' << right << ' ' << ans << '\n';
    fout.close();
    return 0;
}