Cod sursa(job #2092025)

Utilizator ajeccAjechiloae Eugen ajecc Data 20 decembrie 2017 20:17:18
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.38 kb
#include <bits/stdc++.h>
#define for0(i, n) for(int i = 0; i < n; i++)
#define for1(i, n) for(int i = 1; i <= n; i++)
#define pb push_back
#define mp make_pair
#define all(v) v.begin(), v.end()
#define V vector<int>
#define VP vector<pair<int, int> >
#define FASTIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std;
#ifdef _WIN32
#include <windows.h>
#define print(x) PRINT(x, #x)
template<typename T> inline const void PRINT(T VARIABLE, string NAME)
{
#ifndef ONLINE_JUDGE /// ONLINE_JUDGE IS DEFINED ON CODEFORCES
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(hConsole, 10);
    cerr << NAME << " = " << VARIABLE;
    SetConsoleTextAttribute(hConsole, 7);
    cerr << '\n';
#endif
}
#else
#define print(x) 0
#endif
typedef long long ll;
typedef unsigned long long ull;
const ll INFLL = 2 * (ll)1e18 + 100;
const int INFINT = 2 * (int)1e9 + 100;
const double PI = atan(1) * 4;
const double EPS = 1e-12;
const int seed = 1e3 + 7;

const int MOD = 1e9 + 7; /// careful here (7 or 9, 66.. etc)
const int NMAX = 5 * 1e5 + 5;

ifstream fin("secventa.in");
ofstream fout("secventa.out");
#define cin fin
#define cout fout

int n, k;
deque<pair<short, int> > d;


int main()
{
    FASTIO;
    cin >> n >> k;
    short a, sol = -300001;
    int l = k;
    cin >> a;
    if(n == 1) return cout << a, 0;
    d.pb(mp(a, 1));
    for(int i = 2; i <= n; i++)
    {
        cin >> a;
        if(i <= k)
        {
            if(a <= d[0].first)
                d.push_front(mp(a, i));
            else
            {
                while(!d.empty() && d.back().first >= a) d.pop_back();
                d.pb(mp(a, i));
            }
        }
        else
        {
            if(sol == -INFINT)
            {
                sol = d[0].first;
                l = k;
            }

            while(!d.empty() && d[0].second <= i - k) d.pop_front();

            if(d.empty() || a <= d[0].first)
                d.push_front(mp(a, i));
            else
            {
                while(!d.empty() && d.back().first >= a) d.pop_back();
                d.pb(mp(a, i));
            }

            if(sol < d[0].first)
            {
                sol = d[0].first;
                l = i;
            }
        }
    }


    cout << l - k + 1 << ' ' << l << ' ' << sol;
    return 0;
}