#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
int d[5008][3];
int a[5008];
int pos[5008];
bool check(int n) {
fill(pos + 1, pos + n + 1, 0);
for (int i = 1; i <= n; ++i)
if (a[i] <= 0 || a[i] > n) return 0;
else pos[a[i]] = i;
for (int i = 1; i <= n; ++i) if (!pos[i]) return 0;
return pos[1] < pos[n];
}
void deduce(int n) {
for (int i = 3; i <= n; ++i) {
if (a[i - 2] > a[i - 1]) {
if (a[i - 2] - a[i - 1] + d[i][1] == d[i][2]) a[i] = a[i - 1] - d[i][1];
else a[i] = a[i - 1] + d[i][1];
}
else {
if (a[i - 1] - a[i - 2] + d[i][1] == d[i][2]) a[i] = a[i - 1] + d[i][1];
else a[i] = a[i - 1] - d[i][1];
}
}
}
void return_answer(int n) {for (int i = 1; i <= n; ++i) answer(i, a[i]);}
void solve(int n) {
for (int i = 3; i <= n; ++i) d[i][1] = query(i - 1, i), d[i][2] = query(i - 2, i);
int d12 = query(1, 2);
for (a[1] = 1; a[1] <= n; ++a[1]) {
a[2] = a[1] + d12; deduce(n);
if (check(n)) {return_answer(n); return;}
a[2] = a[1] - d12; deduce(n);
if (check(n)) {return_answer(n); return;}
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
420 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
2 ms |
596 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
420 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
2 ms |
596 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
9 ms |
604 KB |
Output is correct |
| 19 |
Correct |
15 ms |
452 KB |
Output is correct |
| 20 |
Correct |
11 ms |
452 KB |
Output is correct |
| 21 |
Correct |
13 ms |
344 KB |
Output is correct |
| 22 |
Correct |
13 ms |
452 KB |
Output is correct |
| 23 |
Correct |
9 ms |
448 KB |
Output is correct |
| 24 |
Correct |
11 ms |
448 KB |
Output is correct |
| 25 |
Correct |
13 ms |
344 KB |
Output is correct |
| 26 |
Correct |
16 ms |
704 KB |
Output is correct |
| 27 |
Correct |
10 ms |
344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
340 KB |
Output is correct |
| 29 |
Correct |
13 ms |
344 KB |
Output is correct |
| 30 |
Correct |
9 ms |
448 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
420 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
2 ms |
596 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
9 ms |
604 KB |
Output is correct |
| 19 |
Correct |
15 ms |
452 KB |
Output is correct |
| 20 |
Correct |
11 ms |
452 KB |
Output is correct |
| 21 |
Correct |
13 ms |
344 KB |
Output is correct |
| 22 |
Correct |
13 ms |
452 KB |
Output is correct |
| 23 |
Correct |
9 ms |
448 KB |
Output is correct |
| 24 |
Correct |
11 ms |
448 KB |
Output is correct |
| 25 |
Correct |
13 ms |
344 KB |
Output is correct |
| 26 |
Correct |
16 ms |
704 KB |
Output is correct |
| 27 |
Correct |
10 ms |
344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
340 KB |
Output is correct |
| 29 |
Correct |
13 ms |
344 KB |
Output is correct |
| 30 |
Correct |
9 ms |
448 KB |
Output is correct |
| 31 |
Correct |
22 ms |
344 KB |
Output is correct |
| 32 |
Correct |
63 ms |
460 KB |
Output is correct |
| 33 |
Correct |
75 ms |
716 KB |
Output is correct |
| 34 |
Correct |
105 ms |
344 KB |
Output is correct |
| 35 |
Correct |
122 ms |
592 KB |
Output is correct |
| 36 |
Correct |
49 ms |
956 KB |
Output is correct |
| 37 |
Correct |
113 ms |
592 KB |
Output is correct |
| 38 |
Correct |
43 ms |
696 KB |
Output is correct |
| 39 |
Correct |
74 ms |
448 KB |
Output is correct |
| 40 |
Correct |
78 ms |
468 KB |
Output is correct |
| 41 |
Correct |
115 ms |
456 KB |
Output is correct |
| 42 |
Correct |
69 ms |
448 KB |
Output is correct |
| 43 |
Correct |
109 ms |
460 KB |
Output is correct |
| 44 |
Correct |
42 ms |
688 KB |
Output is correct |
| 45 |
Correct |
95 ms |
888 KB |
Output is correct |
| 46 |
Correct |
157 ms |
600 KB |
Output is correct |
| 47 |
Correct |
162 ms |
592 KB |
Output is correct |
| 48 |
Correct |
70 ms |
680 KB |
Output is correct |
| 49 |
Correct |
150 ms |
600 KB |
Output is correct |
| 50 |
Correct |
148 ms |
716 KB |
Output is correct |
| 51 |
Correct |
84 ms |
848 KB |
Output is correct |
| 52 |
Correct |
61 ms |
344 KB |
Output is correct |
| 53 |
Correct |
138 ms |
848 KB |
Output is correct |
| 54 |
Correct |
135 ms |
456 KB |
Output is correct |
| 55 |
Correct |
140 ms |
852 KB |
Output is correct |
| 56 |
Correct |
149 ms |
1216 KB |
Output is correct |
| 57 |
Correct |
119 ms |
716 KB |
Output is correct |
| 58 |
Correct |
149 ms |
600 KB |
Output is correct |
| 59 |
Correct |
111 ms |
592 KB |
Output is correct |
| 60 |
Correct |
86 ms |
344 KB |
Output is correct |
