#include "xylophone.h"
#include <vector>
using namespace std;
void solve(int n) {
vector<int> ans(n+1);
vector<bool> used(n+1);
int l = 1, r = n;
int first = 0;
while (l <= r){
int mid = (l + r) / 2;
if (query(mid, n) == n-1){
first = mid;
l = mid + 1;
} else r = mid - 1;
}
ans[first] = 1;
used[1] = true;
for (int i = first - 1; i > 0; --i){
int k = query(i, i+1);
int x = ans[i+1] + k;
int y = ans[i+1] - k;
if (y < 1 || used[y]) ans[i] = x, used[x] = true;
else if (x > n || used[x]) ans[i] = y, used[y] = true;
else{
int a = query(i, i+2);
int mn = min(ans[i+1], ans[i+2]);
int mx = max(ans[i+1], ans[i+2]);
if (a == mx - mn && x > mn && x < mx) ans[i] = x, used[x] = true;
else if (a == mx - mn) ans[i] = y, used[y] = true;
else if (a == max(mx, x) - min(mn, x)) ans[i] = x, used[x] = true;
else ans[i] = y, used[y] = true;
}
}
for (int i = first + 1; i <= n; ++i){
int k = query(i-1, i);
int x = ans[i-1] + k;
int y = ans[i-1] - k;
if (y < 1 || used[y]) ans[i] = x, used[x] = true;
else if (x > n || used[x]) ans[i] = y, used[y] = true;
else{
int a = query(i-2, i);
int mn = min(ans[i-1], ans[i-2]);
int mx = max(ans[i-1], ans[i-2]);
if (a == mx - mn && x > mn && x < mx) ans[i] = x, used[x] = true;
else if (a == mx - mn) ans[i] = y, used[y] = true;
else if (a == max(mx, x) - min(mn, x)) ans[i] = x, used[x] = true;
else ans[i] = y, used[y] = true;
}
}
for (int i = 1; i <= n; ++i) {
answer(i, ans[i]);
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
2 ms |
200 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
2 ms |
200 KB |
Output is correct |
| 8 |
Correct |
2 ms |
200 KB |
Output is correct |
| 9 |
Correct |
2 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
2 ms |
200 KB |
Output is correct |
| 12 |
Correct |
2 ms |
200 KB |
Output is correct |
| 13 |
Correct |
2 ms |
200 KB |
Output is correct |
| 14 |
Correct |
2 ms |
200 KB |
Output is correct |
| 15 |
Correct |
2 ms |
200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
2 ms |
200 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
2 ms |
200 KB |
Output is correct |
| 8 |
Correct |
2 ms |
200 KB |
Output is correct |
| 9 |
Correct |
2 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
2 ms |
200 KB |
Output is correct |
| 12 |
Correct |
2 ms |
200 KB |
Output is correct |
| 13 |
Correct |
2 ms |
200 KB |
Output is correct |
| 14 |
Correct |
2 ms |
200 KB |
Output is correct |
| 15 |
Correct |
2 ms |
200 KB |
Output is correct |
| 16 |
Correct |
3 ms |
200 KB |
Output is correct |
| 17 |
Correct |
8 ms |
200 KB |
Output is correct |
| 18 |
Correct |
7 ms |
288 KB |
Output is correct |
| 19 |
Correct |
17 ms |
200 KB |
Output is correct |
| 20 |
Correct |
8 ms |
280 KB |
Output is correct |
| 21 |
Correct |
16 ms |
200 KB |
Output is correct |
| 22 |
Correct |
13 ms |
200 KB |
Output is correct |
| 23 |
Correct |
10 ms |
200 KB |
Output is correct |
| 24 |
Correct |
9 ms |
200 KB |
Output is correct |
| 25 |
Correct |
14 ms |
200 KB |
Output is correct |
| 26 |
Correct |
16 ms |
200 KB |
Output is correct |
| 27 |
Correct |
17 ms |
200 KB |
Output is correct |
| 28 |
Correct |
16 ms |
200 KB |
Output is correct |
| 29 |
Correct |
15 ms |
200 KB |
Output is correct |
| 30 |
Correct |
12 ms |
200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
2 ms |
200 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
2 ms |
200 KB |
Output is correct |
| 8 |
Correct |
2 ms |
200 KB |
Output is correct |
| 9 |
Correct |
2 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
2 ms |
200 KB |
Output is correct |
| 12 |
Correct |
2 ms |
200 KB |
Output is correct |
| 13 |
Correct |
2 ms |
200 KB |
Output is correct |
| 14 |
Correct |
2 ms |
200 KB |
Output is correct |
| 15 |
Correct |
2 ms |
200 KB |
Output is correct |
| 16 |
Correct |
3 ms |
200 KB |
Output is correct |
| 17 |
Correct |
8 ms |
200 KB |
Output is correct |
| 18 |
Correct |
7 ms |
288 KB |
Output is correct |
| 19 |
Correct |
17 ms |
200 KB |
Output is correct |
| 20 |
Correct |
8 ms |
280 KB |
Output is correct |
| 21 |
Correct |
16 ms |
200 KB |
Output is correct |
| 22 |
Correct |
13 ms |
200 KB |
Output is correct |
| 23 |
Correct |
10 ms |
200 KB |
Output is correct |
| 24 |
Correct |
9 ms |
200 KB |
Output is correct |
| 25 |
Correct |
14 ms |
200 KB |
Output is correct |
| 26 |
Correct |
16 ms |
200 KB |
Output is correct |
| 27 |
Correct |
17 ms |
200 KB |
Output is correct |
| 28 |
Correct |
16 ms |
200 KB |
Output is correct |
| 29 |
Correct |
15 ms |
200 KB |
Output is correct |
| 30 |
Correct |
12 ms |
200 KB |
Output is correct |
| 31 |
Correct |
24 ms |
200 KB |
Output is correct |
| 32 |
Correct |
39 ms |
268 KB |
Output is correct |
| 33 |
Correct |
27 ms |
284 KB |
Output is correct |
| 34 |
Correct |
52 ms |
296 KB |
Output is correct |
| 35 |
Correct |
54 ms |
320 KB |
Output is correct |
| 36 |
Correct |
52 ms |
280 KB |
Output is correct |
| 37 |
Correct |
26 ms |
280 KB |
Output is correct |
| 38 |
Correct |
59 ms |
200 KB |
Output is correct |
| 39 |
Correct |
63 ms |
292 KB |
Output is correct |
| 40 |
Correct |
70 ms |
280 KB |
Output is correct |
| 41 |
Correct |
35 ms |
292 KB |
Output is correct |
| 42 |
Correct |
39 ms |
200 KB |
Output is correct |
| 43 |
Correct |
61 ms |
280 KB |
Output is correct |
| 44 |
Correct |
58 ms |
280 KB |
Output is correct |
| 45 |
Correct |
73 ms |
280 KB |
Output is correct |
| 46 |
Correct |
57 ms |
276 KB |
Output is correct |
| 47 |
Correct |
79 ms |
288 KB |
Output is correct |
| 48 |
Correct |
82 ms |
200 KB |
Output is correct |
| 49 |
Correct |
63 ms |
320 KB |
Output is correct |
| 50 |
Correct |
57 ms |
284 KB |
Output is correct |
| 51 |
Correct |
61 ms |
276 KB |
Output is correct |
| 52 |
Correct |
71 ms |
276 KB |
Output is correct |
| 53 |
Correct |
78 ms |
296 KB |
Output is correct |
| 54 |
Correct |
42 ms |
276 KB |
Output is correct |
| 55 |
Correct |
73 ms |
284 KB |
Output is correct |
| 56 |
Correct |
42 ms |
288 KB |
Output is correct |
| 57 |
Correct |
67 ms |
280 KB |
Output is correct |
| 58 |
Correct |
77 ms |
320 KB |
Output is correct |
| 59 |
Correct |
68 ms |
280 KB |
Output is correct |
| 60 |
Correct |
61 ms |
292 KB |
Output is correct |
