#include <bits/stdc++.h>
using namespace std;
#include "xylophone.h"
void solve(int N){
int pos = 1;
{
int l = 1, r = N;
while (r - l > 1){
int mid = (l + r) >> 1;
if (query(mid, N) == N-1) l = mid;
else r = mid-1;
}
if (l != r){
if (query(r, N) == N-1) pos = r;
else pos = l;
}
else pos = l;
}
vector<int> res(N + 1, 0);
set<int> alr;
res[pos] = 1; alr.insert(1);
for (int i = pos + 1; i <= N; i++){
int diff = query(i - 1, i);
vector<int> opts;
for (int sign: {-1, 1}){
int cand = res[i - 1] + sign * diff;
if (1 <= cand && cand <= N && !alr.count(cand)) opts.push_back(cand);
}
if ((int)opts.size() == 1){
res[i] = opts[0];
alr.insert(res[i]);
}
else{
int d2 = query(i - 2, i);
for (int j = 0; j < (int)opts.size(); j++){
if (d2 == max({res[i - 2], res[i - 1], opts[j]}) - min({res[i - 2], res[i - 1], opts[j]})){
res[i] = opts[j];
alr.insert(res[i]);
break;
}
}
}
}
for (int i = pos - 1; i >= 1; i--){
int diff = query(i, i + 1);
vector<int> opts;
for (int sign: {-1, 1}){
int cand = res[i + 1] + sign * diff;
if (1 <= cand && cand <= N && !alr.count(cand)) opts.push_back(cand);
}
if ((int)opts.size() == 1){
res[i] = opts[0];
alr.insert(res[i]);
}
else{
int d2 = query(i, i + 2);
for (int j = 0; j < (int)opts.size(); j++){
if (d2 == max({res[i + 2], res[i + 1], opts[j]}) - min({res[i + 2], res[i + 1], opts[j]})){
res[i] = opts[j];
alr.insert(res[i]);
break;
}
}
}
}
for (int i = 1; i <= N; i++) answer(i, res[i]);
}
| # |
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 |
2 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 |
2 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 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 |
2 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 |
2 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
208 KB |
Output is correct |
| 15 |
Correct |
2 ms |
208 KB |
Output is correct |
| 16 |
Correct |
2 ms |
208 KB |
Output is correct |
| 17 |
Correct |
5 ms |
308 KB |
Output is correct |
| 18 |
Correct |
9 ms |
332 KB |
Output is correct |
| 19 |
Correct |
11 ms |
324 KB |
Output is correct |
| 20 |
Correct |
11 ms |
336 KB |
Output is correct |
| 21 |
Correct |
6 ms |
296 KB |
Output is correct |
| 22 |
Correct |
13 ms |
336 KB |
Output is correct |
| 23 |
Correct |
9 ms |
316 KB |
Output is correct |
| 24 |
Correct |
12 ms |
312 KB |
Output is correct |
| 25 |
Correct |
9 ms |
304 KB |
Output is correct |
| 26 |
Correct |
8 ms |
320 KB |
Output is correct |
| 27 |
Correct |
10 ms |
316 KB |
Output is correct |
| 28 |
Correct |
10 ms |
336 KB |
Output is correct |
| 29 |
Correct |
11 ms |
336 KB |
Output is correct |
| 30 |
Correct |
9 ms |
304 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 |
2 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 |
2 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
208 KB |
Output is correct |
| 15 |
Correct |
2 ms |
208 KB |
Output is correct |
| 16 |
Correct |
2 ms |
208 KB |
Output is correct |
| 17 |
Correct |
5 ms |
308 KB |
Output is correct |
| 18 |
Correct |
9 ms |
332 KB |
Output is correct |
| 19 |
Correct |
11 ms |
324 KB |
Output is correct |
| 20 |
Correct |
11 ms |
336 KB |
Output is correct |
| 21 |
Correct |
6 ms |
296 KB |
Output is correct |
| 22 |
Correct |
13 ms |
336 KB |
Output is correct |
| 23 |
Correct |
9 ms |
316 KB |
Output is correct |
| 24 |
Correct |
12 ms |
312 KB |
Output is correct |
| 25 |
Correct |
9 ms |
304 KB |
Output is correct |
| 26 |
Correct |
8 ms |
320 KB |
Output is correct |
| 27 |
Correct |
10 ms |
316 KB |
Output is correct |
| 28 |
Correct |
10 ms |
336 KB |
Output is correct |
| 29 |
Correct |
11 ms |
336 KB |
Output is correct |
| 30 |
Correct |
9 ms |
304 KB |
Output is correct |
| 31 |
Correct |
19 ms |
344 KB |
Output is correct |
| 32 |
Correct |
33 ms |
428 KB |
Output is correct |
| 33 |
Correct |
42 ms |
472 KB |
Output is correct |
| 34 |
Correct |
63 ms |
524 KB |
Output is correct |
| 35 |
Correct |
54 ms |
488 KB |
Output is correct |
| 36 |
Correct |
52 ms |
496 KB |
Output is correct |
| 37 |
Correct |
39 ms |
596 KB |
Output is correct |
| 38 |
Correct |
45 ms |
512 KB |
Output is correct |
| 39 |
Correct |
62 ms |
580 KB |
Output is correct |
| 40 |
Correct |
48 ms |
456 KB |
Output is correct |
| 41 |
Correct |
63 ms |
484 KB |
Output is correct |
| 42 |
Correct |
49 ms |
524 KB |
Output is correct |
| 43 |
Correct |
39 ms |
524 KB |
Output is correct |
| 44 |
Correct |
45 ms |
500 KB |
Output is correct |
| 45 |
Correct |
41 ms |
500 KB |
Output is correct |
| 46 |
Correct |
47 ms |
496 KB |
Output is correct |
| 47 |
Correct |
57 ms |
536 KB |
Output is correct |
| 48 |
Correct |
58 ms |
460 KB |
Output is correct |
| 49 |
Correct |
64 ms |
584 KB |
Output is correct |
| 50 |
Correct |
66 ms |
452 KB |
Output is correct |
| 51 |
Correct |
61 ms |
528 KB |
Output is correct |
| 52 |
Correct |
61 ms |
464 KB |
Output is correct |
| 53 |
Correct |
61 ms |
584 KB |
Output is correct |
| 54 |
Correct |
63 ms |
524 KB |
Output is correct |
| 55 |
Correct |
53 ms |
520 KB |
Output is correct |
| 56 |
Correct |
53 ms |
524 KB |
Output is correct |
| 57 |
Correct |
63 ms |
456 KB |
Output is correct |
| 58 |
Correct |
55 ms |
536 KB |
Output is correct |
| 59 |
Correct |
53 ms |
480 KB |
Output is correct |
| 60 |
Correct |
58 ms |
468 KB |
Output is correct |
