#include "xylophone.h"
#include "bits/stdc++.h"
using namespace std;
static int A[5001];
static bool Used[5001];
void solve(int N) {
int l = 1, r = N - 1;
while (l < r) {
int mid = (l + r + 1) >> 1;
if (query(mid, N) == N - 1) {
l = mid;
} else {
r = mid - 1;
}
}
A[l] = 1;
A[l + 1] = query(l, l + 1) + 1;
Used[A[l]] = Used[A[l + 1]] = true;
for (int i = l + 2; i <= N; ++i) {
int diff = query(i - 1, i);
bool pre = A[i - 1] - diff > 1 && !Used[A[i - 1] - diff];
bool aft = A[i - 1] + diff <= N && !Used[A[i - 1] + diff];
if (pre && aft) {
int diff2 = query(i - 2, i);
if (A[i - 2] < A[i - 1]) {
if (diff2 == A[i - 1] - A[i - 2] + diff) {
A[i] = A[i - 1] + diff;
} else {
A[i] = A[i - 1] - diff;
}
} else {
if (diff2 == A[i - 2] - A[i - 1] + diff) {
A[i] = A[i - 1] - diff;
} else {
A[i] = A[i - 1] + diff;
}
}
} else if (pre) {
A[i] = A[i - 1] - diff;
} else {
A[i] = A[i - 1] + diff;
}
Used[A[i]] = true;
}
if (l > 1) {
A[l - 1] = query(l - 1, l) + 1;
Used[A[l - 1]] = true;
for (int i = l - 2; i > 0; --i) {
int diff = query(i, i + 1);
bool pre = A[i + 1] - diff > 1 && !Used[A[i + 1] - diff];
bool aft = A[i + 1] + diff <= N && !Used[A[i + 1] + diff];
if (pre && aft) {
int diff2 = query(i, i + 2);
if (A[i + 2] < A[i + 1]) {
if (diff2 == A[i + 1] - A[i + 2] + diff) {
A[i] = A[i + 1] + diff;
} else {
A[i] = A[i + 1] - diff;
}
} else {
if (diff2 == A[i + 2] - A[i + 1] + diff) {
A[i] = A[i + 1] - diff;
} else {
A[i] = A[i + 1] + diff;
}
}
} else if (pre) {
A[i] = A[i + 1] - diff;
} else {
A[i] = A[i + 1] + diff;
}
Used[A[i]] = true;
}
}
for (int i = 1; i <= N; ++i) {
answer(i, A[i]);
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
688 KB |
Output is correct |
| 3 |
Correct |
0 ms |
436 KB |
Output is correct |
| 4 |
Correct |
1 ms |
608 KB |
Output is correct |
| 5 |
Correct |
1 ms |
436 KB |
Output is correct |
| 6 |
Correct |
1 ms |
440 KB |
Output is correct |
| 7 |
Correct |
1 ms |
444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
608 KB |
Output is correct |
| 10 |
Correct |
1 ms |
444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
440 KB |
Output is correct |
| 12 |
Correct |
1 ms |
440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
440 KB |
Output is correct |
| 14 |
Correct |
1 ms |
440 KB |
Output is correct |
| 15 |
Correct |
1 ms |
608 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
688 KB |
Output is correct |
| 3 |
Correct |
0 ms |
436 KB |
Output is correct |
| 4 |
Correct |
1 ms |
608 KB |
Output is correct |
| 5 |
Correct |
1 ms |
436 KB |
Output is correct |
| 6 |
Correct |
1 ms |
440 KB |
Output is correct |
| 7 |
Correct |
1 ms |
444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
608 KB |
Output is correct |
| 10 |
Correct |
1 ms |
444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
440 KB |
Output is correct |
| 12 |
Correct |
1 ms |
440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
440 KB |
Output is correct |
| 14 |
Correct |
1 ms |
440 KB |
Output is correct |
| 15 |
Correct |
1 ms |
608 KB |
Output is correct |
| 16 |
Correct |
2 ms |
440 KB |
Output is correct |
| 17 |
Correct |
3 ms |
696 KB |
Output is correct |
| 18 |
Correct |
4 ms |
700 KB |
Output is correct |
| 19 |
Correct |
4 ms |
696 KB |
Output is correct |
| 20 |
Correct |
5 ms |
692 KB |
Output is correct |
| 21 |
Correct |
8 ms |
692 KB |
Output is correct |
| 22 |
Correct |
5 ms |
948 KB |
Output is correct |
| 23 |
Correct |
4 ms |
452 KB |
Output is correct |
| 24 |
Correct |
4 ms |
688 KB |
Output is correct |
| 25 |
Correct |
4 ms |
692 KB |
Output is correct |
| 26 |
Correct |
5 ms |
456 KB |
Output is correct |
| 27 |
Correct |
6 ms |
448 KB |
Output is correct |
| 28 |
Correct |
5 ms |
440 KB |
Output is correct |
| 29 |
Correct |
6 ms |
692 KB |
Output is correct |
| 30 |
Correct |
9 ms |
700 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
688 KB |
Output is correct |
| 3 |
Correct |
0 ms |
436 KB |
Output is correct |
| 4 |
Correct |
1 ms |
608 KB |
Output is correct |
| 5 |
Correct |
1 ms |
436 KB |
Output is correct |
| 6 |
Correct |
1 ms |
440 KB |
Output is correct |
| 7 |
Correct |
1 ms |
444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
440 KB |
Output is correct |
| 9 |
Correct |
1 ms |
608 KB |
Output is correct |
| 10 |
Correct |
1 ms |
444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
440 KB |
Output is correct |
| 12 |
Correct |
1 ms |
440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
440 KB |
Output is correct |
| 14 |
Correct |
1 ms |
440 KB |
Output is correct |
| 15 |
Correct |
1 ms |
608 KB |
Output is correct |
| 16 |
Correct |
2 ms |
440 KB |
Output is correct |
| 17 |
Correct |
3 ms |
696 KB |
Output is correct |
| 18 |
Correct |
4 ms |
700 KB |
Output is correct |
| 19 |
Correct |
4 ms |
696 KB |
Output is correct |
| 20 |
Correct |
5 ms |
692 KB |
Output is correct |
| 21 |
Correct |
8 ms |
692 KB |
Output is correct |
| 22 |
Correct |
5 ms |
948 KB |
Output is correct |
| 23 |
Correct |
4 ms |
452 KB |
Output is correct |
| 24 |
Correct |
4 ms |
688 KB |
Output is correct |
| 25 |
Correct |
4 ms |
692 KB |
Output is correct |
| 26 |
Correct |
5 ms |
456 KB |
Output is correct |
| 27 |
Correct |
6 ms |
448 KB |
Output is correct |
| 28 |
Correct |
5 ms |
440 KB |
Output is correct |
| 29 |
Correct |
6 ms |
692 KB |
Output is correct |
| 30 |
Correct |
9 ms |
700 KB |
Output is correct |
| 31 |
Correct |
11 ms |
704 KB |
Output is correct |
| 32 |
Correct |
17 ms |
444 KB |
Output is correct |
| 33 |
Correct |
25 ms |
704 KB |
Output is correct |
| 34 |
Correct |
28 ms |
696 KB |
Output is correct |
| 35 |
Correct |
34 ms |
956 KB |
Output is correct |
| 36 |
Correct |
22 ms |
696 KB |
Output is correct |
| 37 |
Correct |
27 ms |
696 KB |
Output is correct |
| 38 |
Correct |
24 ms |
692 KB |
Output is correct |
| 39 |
Correct |
26 ms |
948 KB |
Output is correct |
| 40 |
Correct |
29 ms |
696 KB |
Output is correct |
| 41 |
Correct |
29 ms |
704 KB |
Output is correct |
| 42 |
Correct |
21 ms |
704 KB |
Output is correct |
| 43 |
Correct |
21 ms |
956 KB |
Output is correct |
| 44 |
Correct |
22 ms |
696 KB |
Output is correct |
| 45 |
Correct |
32 ms |
700 KB |
Output is correct |
| 46 |
Correct |
33 ms |
436 KB |
Output is correct |
| 47 |
Correct |
31 ms |
700 KB |
Output is correct |
| 48 |
Correct |
38 ms |
696 KB |
Output is correct |
| 49 |
Correct |
30 ms |
704 KB |
Output is correct |
| 50 |
Correct |
31 ms |
700 KB |
Output is correct |
| 51 |
Correct |
27 ms |
700 KB |
Output is correct |
| 52 |
Correct |
25 ms |
700 KB |
Output is correct |
| 53 |
Correct |
32 ms |
696 KB |
Output is correct |
| 54 |
Correct |
27 ms |
696 KB |
Output is correct |
| 55 |
Correct |
27 ms |
1192 KB |
Output is correct |
| 56 |
Correct |
27 ms |
700 KB |
Output is correct |
| 57 |
Correct |
26 ms |
956 KB |
Output is correct |
| 58 |
Correct |
34 ms |
452 KB |
Output is correct |
| 59 |
Correct |
29 ms |
680 KB |
Output is correct |
| 60 |
Correct |
26 ms |
952 KB |
Output is correct |
