oj.uz

Submission #204680

# Submission time Handle Problem Language Result Execution time Memory
204680 2020-02-26T15:40:53 Z Kastanda Xylophone (JOI18_xylophone) C++11
100 / 100
 72 ms 504 KB 
// In The Name Of The Queen
#include<bits/stdc++.h>
#include "xylophone.h"
using namespace std;
int n;
vector < int > A, M;
inline int GetNext(int i)
{
    int df = query(i, i + 1);
    int v1 = A[i] - df;
    int v2 = A[i] + df;
    if (v1 < 1 || M[v1])
        return (v2);
    if (v2 > n || M[v2])
        return (v1);
    int Mn = A[i], Mx = A[i], j = i;
    for (j = i; v1 <= Mn && Mx <= v2; j --)
        Mn = min(Mn, A[j - 1]),
        Mx = max(Mx, A[j - 1]);
    df = query(j, i + 1);
    if (df == Mx - Mn)
        return (Mx <= v2 ? v1 : v2);
    return (Mx <= v2 ? v2 : v1);
}
inline int GetPrev(int i)
{
    int df = query(i - 1, i);
    int v1 = A[i] - df;
    int v2 = A[i] + df;
    if (v1 < 1 || M[v1])
        return (v2);
    if (v2 > n || M[v2])
        return (v1);
    int Mn = A[i], Mx = A[i], j = i;
    for (j = i; v1 <= Mn && Mx <= v2; j ++)
        Mn = min(Mn, A[j + 1]),
        Mx = max(Mx, A[j + 1]);
    df = query(i - 1, j);
    if (df == Mx - Mn)
        return (Mx <= v2 ? v1 : v2);
    return (Mx <= v2 ? v2 : v1);
}
void solve(int _n)
{
    n = _n;
    int le = 1, ri = n, md;
    while (ri - le > 1)
    {
        md = (le + ri) >> 1;
        if (query(md, n) == n - 1)
            le = md;
        else
            ri = md;
    }
    A = vector < int > (n + 1, 0);
    M = vector < int > (n + 1, 0);
    A[le] = 1; M[1] = 1;

    for (int i = le + 1; i <= n; i ++)
        A[i] = GetNext(i - 1), M[A[i]] = 1;
    for (int i = le - 1; i; i --)
        A[i] = GetPrev(i + 1), M[A[i]] = 1;
    for (int i = 1; i <= n; i ++)
        answer(i, A[i]);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 248 KB Output is correct
4 Correct 6 ms 248 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 7 ms 252 KB Output is correct
8 Correct 8 ms 376 KB Output is correct
9 Correct 5 ms 392 KB Output is correct
10 Correct 5 ms 248 KB Output is correct
11 Correct 7 ms 376 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 248 KB Output is correct
14 Correct 6 ms 248 KB Output is correct
15 Correct 6 ms 376 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 248 KB Output is correct
4 Correct 6 ms 248 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 7 ms 252 KB Output is correct
8 Correct 8 ms 376 KB Output is correct
9 Correct 5 ms 392 KB Output is correct
10 Correct 5 ms 248 KB Output is correct
11 Correct 7 ms 376 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 248 KB Output is correct
14 Correct 6 ms 248 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 7 ms 380 KB Output is correct
17 Correct 10 ms 428 KB Output is correct
18 Correct 15 ms 248 KB Output is correct
19 Correct 16 ms 248 KB Output is correct
20 Correct 18 ms 252 KB Output is correct
21 Correct 18 ms 376 KB Output is correct
22 Correct 14 ms 252 KB Output is correct
23 Correct 15 ms 248 KB Output is correct
24 Correct 18 ms 376 KB Output is correct
25 Correct 16 ms 248 KB Output is correct
26 Correct 16 ms 376 KB Output is correct
27 Correct 19 ms 376 KB Output is correct
28 Correct 17 ms 376 KB Output is correct
29 Correct 11 ms 504 KB Output is correct
30 Correct 14 ms 248 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 248 KB Output is correct
4 Correct 6 ms 248 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 7 ms 252 KB Output is correct
8 Correct 8 ms 376 KB Output is correct
9 Correct 5 ms 392 KB Output is correct
10 Correct 5 ms 248 KB Output is correct
11 Correct 7 ms 376 KB Output is correct
12 Correct 6 ms 256 KB Output is correct
13 Correct 6 ms 248 KB Output is correct
14 Correct 6 ms 248 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 7 ms 380 KB Output is correct
17 Correct 10 ms 428 KB Output is correct
18 Correct 15 ms 248 KB Output is correct
19 Correct 16 ms 248 KB Output is correct
20 Correct 18 ms 252 KB Output is correct
21 Correct 18 ms 376 KB Output is correct
22 Correct 14 ms 252 KB Output is correct
23 Correct 15 ms 248 KB Output is correct
24 Correct 18 ms 376 KB Output is correct
25 Correct 16 ms 248 KB Output is correct
26 Correct 16 ms 376 KB Output is correct
27 Correct 19 ms 376 KB Output is correct
28 Correct 17 ms 376 KB Output is correct
29 Correct 11 ms 504 KB Output is correct
30 Correct 14 ms 248 KB Output is correct
31 Correct 30 ms 376 KB Output is correct
32 Correct 40 ms 344 KB Output is correct
33 Correct 56 ms 376 KB Output is correct
34 Correct 61 ms 376 KB Output is correct
35 Correct 66 ms 376 KB Output is correct
36 Correct 49 ms 436 KB Output is correct
37 Correct 50 ms 380 KB Output is correct
38 Correct 54 ms 436 KB Output is correct
39 Correct 63 ms 376 KB Output is correct
40 Correct 56 ms 376 KB Output is correct
41 Correct 62 ms 376 KB Output is correct
42 Correct 51 ms 380 KB Output is correct
43 Correct 48 ms 388 KB Output is correct
44 Correct 46 ms 376 KB Output is correct
45 Correct 61 ms 376 KB Output is correct
46 Correct 36 ms 388 KB Output is correct
47 Correct 67 ms 376 KB Output is correct
48 Correct 55 ms 376 KB Output is correct
49 Correct 69 ms 376 KB Output is correct
50 Correct 72 ms 376 KB Output is correct
51 Correct 67 ms 376 KB Output is correct
52 Correct 60 ms 380 KB Output is correct
53 Correct 58 ms 376 KB Output is correct
54 Correct 35 ms 320 KB Output is correct
55 Correct 57 ms 376 KB Output is correct
56 Correct 58 ms 376 KB Output is correct
57 Correct 68 ms 440 KB Output is correct
58 Correct 62 ms 376 KB Output is correct
59 Correct 64 ms 380 KB Output is correct
60 Correct 66 ms 376 KB Output is correct