#include "xylophone.h"
const int N = 5005;
int a[N];
bool used[N];
bool in(int x, int n) {
return 1 <= x && x <= n;
}
void solve(int n) {
int l = 1, r = n, idx = -1;
while (l <= r) {
int m = l + r >> 1;
if (query(1, m) == n - 1) {
idx = m;
r = m - 1;
} else {
l = m + 1;
}
}
a[idx] = n;
used[n] = true;
bool inc = true;
for (int i = idx + 1; i <= n; i++) {
if (i == idx + 1) {
a[i] = n - query(idx, idx + 1);
used[a[i]] = true;
inc = false;
} else {
int d = query(i - 1, i);
if (!in(a[i - 1] - d, n)) {
a[i] = a[i - 1] + d;
} else if (!in(a[i - 1] + d, n)) {
a[i] = a[i - 1] - d;
} else {
if (used[a[i - 1] - d]) {
a[i] = a[i - 1] + d;
} else if (used[a[i - 1] + d]) {
a[i] = a[i - 1] - d;
} else {
if (inc) {
int dd = query(i - 2, i);
if (a[i - 1] + d == a[i - 2] + dd) {
a[i] = a[i - 1] + d;
} else {
a[i] = a[i - 1] - d;
}
} else {
int dd = query(i - 2, i);
if (a[i - 1] - d == a[i - 2] - dd) {
a[i] = a[i - 1] - d;
} else {
a[i] = a[i - 1] + d;
}
}
}
}
used[a[i]] = true;
inc = a[i - 1] < a[i];
}
}
for (int i = idx - 1; i >= 1; i--) {
if (i == idx - 1) {
a[i] = n - query(i, i + 1);
used[a[i]] = true;
inc = false;
} else {
int d = query(i, i + 1);
if (!in(a[i + 1] - d, n)) {
a[i] = a[i + 1] + d;
} else if (!in(a[i + 1] + d, n)) {
a[i] = a[i + 1] - d;
} else {
if (used[a[i + 1] - d]) {
a[i] = a[i + 1] + d;
} else if (used[a[i + 1] + d]) {
a[i] = a[i + 1] - d;
} else {
if (inc) {
int dd = query(i, i + 2);
if (a[i + 1] + d == a[i + 2] + dd) {
a[i] = a[i + 1] + d;
} else {
a[i] = a[i + 1] - d;
}
} else {
int dd = query(i, i + 2);
if (a[i + 1] - d == a[i + 2] - dd) {
a[i] = a[i + 1] - d;
} else {
a[i] = a[i + 1] + d;
}
}
}
}
used[a[i]] = true;
inc = a[i] > a[i + 1];
}
}
for(int i = 1; i <= n; i++) {
answer(i, a[i]);
}
}
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:15:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
15 | int m = l + r >> 1;
| ~~^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
2 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
1 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
2 ms |
208 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
2 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
1 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
2 ms |
208 KB |
Output is correct |
| 16 |
Correct |
3 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
4 ms |
208 KB |
Output is correct |
| 19 |
Correct |
11 ms |
292 KB |
Output is correct |
| 20 |
Correct |
10 ms |
296 KB |
Output is correct |
| 21 |
Correct |
10 ms |
292 KB |
Output is correct |
| 22 |
Correct |
9 ms |
292 KB |
Output is correct |
| 23 |
Correct |
9 ms |
292 KB |
Output is correct |
| 24 |
Correct |
9 ms |
296 KB |
Output is correct |
| 25 |
Correct |
4 ms |
292 KB |
Output is correct |
| 26 |
Correct |
14 ms |
208 KB |
Output is correct |
| 27 |
Correct |
9 ms |
288 KB |
Output is correct |
| 28 |
Correct |
11 ms |
292 KB |
Output is correct |
| 29 |
Correct |
9 ms |
208 KB |
Output is correct |
| 30 |
Correct |
9 ms |
292 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
2 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
1 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
2 ms |
208 KB |
Output is correct |
| 16 |
Correct |
3 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
4 ms |
208 KB |
Output is correct |
| 19 |
Correct |
11 ms |
292 KB |
Output is correct |
| 20 |
Correct |
10 ms |
296 KB |
Output is correct |
| 21 |
Correct |
10 ms |
292 KB |
Output is correct |
| 22 |
Correct |
9 ms |
292 KB |
Output is correct |
| 23 |
Correct |
9 ms |
292 KB |
Output is correct |
| 24 |
Correct |
9 ms |
296 KB |
Output is correct |
| 25 |
Correct |
4 ms |
292 KB |
Output is correct |
| 26 |
Correct |
14 ms |
208 KB |
Output is correct |
| 27 |
Correct |
9 ms |
288 KB |
Output is correct |
| 28 |
Correct |
11 ms |
292 KB |
Output is correct |
| 29 |
Correct |
9 ms |
208 KB |
Output is correct |
| 30 |
Correct |
9 ms |
292 KB |
Output is correct |
| 31 |
Correct |
19 ms |
284 KB |
Output is correct |
| 32 |
Correct |
33 ms |
280 KB |
Output is correct |
| 33 |
Correct |
41 ms |
412 KB |
Output is correct |
| 34 |
Correct |
39 ms |
296 KB |
Output is correct |
| 35 |
Correct |
39 ms |
280 KB |
Output is correct |
| 36 |
Correct |
33 ms |
288 KB |
Output is correct |
| 37 |
Correct |
33 ms |
300 KB |
Output is correct |
| 38 |
Correct |
43 ms |
288 KB |
Output is correct |
| 39 |
Correct |
22 ms |
296 KB |
Output is correct |
| 40 |
Correct |
53 ms |
288 KB |
Output is correct |
| 41 |
Correct |
21 ms |
288 KB |
Output is correct |
| 42 |
Correct |
37 ms |
280 KB |
Output is correct |
| 43 |
Correct |
44 ms |
288 KB |
Output is correct |
| 44 |
Correct |
36 ms |
440 KB |
Output is correct |
| 45 |
Correct |
35 ms |
292 KB |
Output is correct |
| 46 |
Correct |
58 ms |
284 KB |
Output is correct |
| 47 |
Correct |
51 ms |
208 KB |
Output is correct |
| 48 |
Correct |
57 ms |
292 KB |
Output is correct |
| 49 |
Correct |
46 ms |
292 KB |
Output is correct |
| 50 |
Correct |
43 ms |
296 KB |
Output is correct |
| 51 |
Correct |
42 ms |
292 KB |
Output is correct |
| 52 |
Correct |
41 ms |
288 KB |
Output is correct |
| 53 |
Correct |
54 ms |
284 KB |
Output is correct |
| 54 |
Correct |
47 ms |
328 KB |
Output is correct |
| 55 |
Correct |
55 ms |
300 KB |
Output is correct |
| 56 |
Correct |
21 ms |
296 KB |
Output is correct |
| 57 |
Correct |
41 ms |
292 KB |
Output is correct |
| 58 |
Correct |
41 ms |
300 KB |
Output is correct |
| 59 |
Correct |
40 ms |
292 KB |
Output is correct |
| 60 |
Correct |
34 ms |
288 KB |
Output is correct |
