oj.uz

Submission #231923

# Submission time Handle Problem Language Result Execution time Memory
231923 2020-05-15T10:55:13 Z Coroian_David Xylophone (JOI18_xylophone) C++11
100 / 100
 70 ms 540 KB 
#include <bits/stdc++.h>
#include "xylophone.h"

#define MAX_N 5000

using namespace std;

int A[MAX_N + 1];

#ifdef local
int query(int s, int t)
{
    int mn = 5000;
    int mx = 1;
    for(int i = s; i <= t; i ++)
    {
        mn = min(mn, A[i]);
        mx = max(mx, A[i]);
    }

    return mx - mn;
}
#endif // local

int n;

int cautBin()
{
    int i = 0;
    int pas = 1 << 12;
    while(pas != 0)
    {
        if(i + pas < n && query(1, i + pas) != n - 1)
            i += pas;

        pas >>= 1;
    }

    return i + 1;
}

int v[MAX_N + 1];
int diff[MAX_N + 1];
int ap[MAX_N + 1];

void baga(int st, int dr, int pas)
{
    for(int i = st; i != dr + pas; i += pas)
    {
        int sign = 0;
        int x = (i - pas < i ? query(i - pas, i) : query(i, i - pas));

        if(v[i - pas] + x >= n || ap[v[i - pas] + x] == 1)
            sign = -1;

        else
            if(v[i - pas] - x < 1 || ap[v[i - pas] - x] == 1)
                sign = 1;

        else
        {
            int y = (i - 2*pas < i ? query(i - 2*pas, i) : query(i, i - 2*pas));

            if(y == diff[i - pas])
                sign = (v[i - 2*pas] < v[i - pas] ? -1 : 1);

            else
                if(y == x + diff[i - pas])
                    sign = (v[i - pas] < v[i - 2*pas] ? -1 : 1);

            else if(y == x)
                sign = (v[i - pas] > v[i - 2*pas] ? -1 : 1);
        }

        diff[i] = x;
        v[i] = v[i - pas] + x * sign;
        ap[v[i]] = 1;
    }
}

#ifdef local
void answer(int i, int nr)
{
    if(nr != A[i])
    {
        cout << "PE POZ " << i << " ESTE  " << A[i] << " TIU ZCICI " << nr << "\n";
        exit(0);
    }

   // cout << " PE " << i << " " << nr << " == " << A[i] << "\n";
}
#endif // local

void solve(int N)
{
    n = N;
    int poz = cautBin();

    v[poz] = n;
    ap[v[poz]] = 1;

    if(poz + 1 <= n)
    {
        v[poz + 1] = n - query(poz, poz + 1);
        diff[poz + 1] = v[poz] - v[poz + 1];
        ap[v[poz + 1]] = 1;

        if(poz + 2 <= n)
            baga(poz + 2, n, 1);
    }

    if(poz - 1 >= 1)
    {
        v[poz - 1] = n - query(poz - 1, poz);
        diff[poz - 1] = v[poz] - v[poz - 1];
        ap[v[poz - 1]] = 1;

        if(poz - 2 >= 1)
            baga(poz - 2, 1, -1);
    }

    for(int i = 1; i <= n; i ++)
        answer(i, v[i]);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 408 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 256 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 408 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 256 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 10 ms 384 KB Output is correct
18 Correct 14 ms 384 KB Output is correct
19 Correct 16 ms 392 KB Output is correct
20 Correct 16 ms 384 KB Output is correct
21 Correct 15 ms 392 KB Output is correct
22 Correct 16 ms 384 KB Output is correct
23 Correct 14 ms 384 KB Output is correct
24 Correct 15 ms 384 KB Output is correct
25 Correct 14 ms 384 KB Output is correct
26 Correct 11 ms 408 KB Output is correct
27 Correct 16 ms 384 KB Output is correct
28 Correct 19 ms 384 KB Output is correct
29 Correct 19 ms 384 KB Output is correct
30 Correct 15 ms 384 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 408 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 256 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 10 ms 384 KB Output is correct
18 Correct 14 ms 384 KB Output is correct
19 Correct 16 ms 392 KB Output is correct
20 Correct 16 ms 384 KB Output is correct
21 Correct 15 ms 392 KB Output is correct
22 Correct 16 ms 384 KB Output is correct
23 Correct 14 ms 384 KB Output is correct
24 Correct 15 ms 384 KB Output is correct
25 Correct 14 ms 384 KB Output is correct
26 Correct 11 ms 408 KB Output is correct
27 Correct 16 ms 384 KB Output is correct
28 Correct 19 ms 384 KB Output is correct
29 Correct 19 ms 384 KB Output is correct
30 Correct 15 ms 384 KB Output is correct
31 Correct 25 ms 384 KB Output is correct
32 Correct 39 ms 384 KB Output is correct
33 Correct 50 ms 384 KB Output is correct
34 Correct 59 ms 384 KB Output is correct
35 Correct 54 ms 384 KB Output is correct
36 Correct 48 ms 384 KB Output is correct
37 Correct 48 ms 392 KB Output is correct
38 Correct 40 ms 384 KB Output is correct
39 Correct 60 ms 384 KB Output is correct
40 Correct 55 ms 384 KB Output is correct
41 Correct 61 ms 384 KB Output is correct
42 Correct 48 ms 384 KB Output is correct
43 Correct 46 ms 404 KB Output is correct
44 Correct 47 ms 540 KB Output is correct
45 Correct 63 ms 480 KB Output is correct
46 Correct 57 ms 408 KB Output is correct
47 Correct 50 ms 380 KB Output is correct
48 Correct 70 ms 384 KB Output is correct
49 Correct 62 ms 540 KB Output is correct
50 Correct 56 ms 384 KB Output is correct
51 Correct 61 ms 384 KB Output is correct
52 Correct 57 ms 428 KB Output is correct
53 Correct 62 ms 384 KB Output is correct
54 Correct 63 ms 384 KB Output is correct
55 Correct 63 ms 512 KB Output is correct
56 Correct 58 ms 384 KB Output is correct
57 Correct 59 ms 504 KB Output is correct
58 Correct 62 ms 384 KB Output is correct
59 Correct 63 ms 384 KB Output is correct
60 Correct 58 ms 384 KB Output is correct