Cod sursa(job #2066746)

Utilizator CammieCamelia Lazar Cammie Data 15 noiembrie 2017 13:50:54
Problema Schi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.11 kb
#include <fstream>
#include <cstring>

#define MAXN 30005
#define inf 0x3f3f3f3f

using namespace std;

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

int n, p[MAXN], ait[MAXN * 3], sol[MAXN], fr[MAXN];

inline void Read() {
    fin >> n;

    for (int i = 1; i <= n; i++)
        fin >> p[i];
}

inline void Search(int poz, int st, int dr, int a, int val) {
    if (ait[poz] <= a && fr[ait[poz]] != val) {
        fr[ait[poz]] = val;
        a++;
    }
    if (st == dr && st == a) {
        ait[poz] = a;
        sol[a] = val;
        return;
    }
    if (st > a || dr < a)
        return;
    int mij = (st + dr) / 2;
    Search(poz * 2, st, mij, a, val);
    Search(poz * 2 + 1, mij + 1, dr, a, val);
    ait[poz] = min(ait[poz * 2], ait[poz * 2 + 1]);
}

inline void Solve() {
    memset(ait, inf, sizeof(ait));

    for (int i = n; i; i--) {
        Search(1, 1, n, p[i], i);
    }
}

inline void Write() {
    for (int i = 1; i <= n; i++)
        fout << sol[i] << " ";
}

int main () {
    Read();
    Solve();
    Write();

    fin.close(); fout.close(); return 0;
}