#include<bits/stdc++.h>
#include <xylophone.h>
#define fastio ios_base::sync_with_stdio(false);cin.tie(nullptr);
using namespace std;
int a[10009];
int pos[10009];
void solve(int n){
for (int i=1;i<=2*n;i++){
pos[i]=0;
}
int l=1,r=n;
int pos1=1;
while (l<=r){
int mid=(l+r)/2;
int dd=query(mid,n);
if (dd==n-1){
l=mid+1;
pos1=mid;
}
else {
r=mid-1;
}
}
a[pos1]=1;
pos[1]=1;
answer(pos1,1);
if (pos1<n){
a[pos1+1]=query(pos1,pos1+1)+1;
pos[a[pos1+1]]=1;
answer(pos1+1,a[pos1+1]);
for (int i=pos1+2;i<=n;i++){
int d=query(i-1,i);
if (a[i-1]+d>n||pos[a[i-1]+d]){
a[i]=a[i-1]-d;
pos[a[i]]=1;
answer(i,a[i]);
continue;
}
if (a[i-1]-d<=0||pos[a[i-1]-d]){
a[i]=a[i-1]+d;
pos[a[i]]=1;
answer(i,a[i]);
continue;
}
int r=query(i-2,i);
if (a[i-2]<a[i-1]){
if (a[i-1]+d==a[i-2]+r)a[i]=a[i-1]+d;
else a[i]=a[i-1]-d;
pos[a[i]]=1;
answer(i,a[i]);
}
else {
if (a[i-1]-d==a[i-2]-r)a[i]=a[i-1]-d;
else a[i]=a[i-1]+d;
pos[a[i]]=1;
answer(i,a[i]);
}
}
}
if (pos1>1){
a[pos1-1]=query(pos1-1,pos1)+1;
pos[a[pos1-1]]=1;
answer(pos1-1,a[pos1-1]);
for (int i=pos1-2;i>=1;i--){
int d=query(i,i+1);
if (a[i+1]+d>n||pos[a[i+1]+d]){
a[i]=a[i+1]-d;
pos[a[i]]=1;
answer(i,a[i]);
continue;
}
if (a[i+1]-d<=0||pos[a[i+1]-d]){
a[i]=a[i+1]+d;
pos[a[i]]=1;
answer(i,a[i]);
continue;
}
int r=query(i,i+2);
if (a[i+2]<a[i+1]){
if (a[i+1]+d==a[i+2]+r)a[i]=a[i+1]+d;
else a[i]=a[i+1]-d;
pos[a[i]]=1;
answer(i,a[i]);
}
else {
if (a[i+1]-d==a[i+2]-r)a[i]=a[i+1]-d;
else a[i]=a[i+1]+d;
pos[a[i]]=1;
answer(i,a[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 |
2 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 |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
2 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
3 ms |
308 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 |
2 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 |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
2 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
3 ms |
308 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
3 ms |
208 KB |
Output is correct |
17 |
Correct |
7 ms |
208 KB |
Output is correct |
18 |
Correct |
10 ms |
208 KB |
Output is correct |
19 |
Correct |
13 ms |
208 KB |
Output is correct |
20 |
Correct |
14 ms |
208 KB |
Output is correct |
21 |
Correct |
14 ms |
324 KB |
Output is correct |
22 |
Correct |
13 ms |
208 KB |
Output is correct |
23 |
Correct |
13 ms |
320 KB |
Output is correct |
24 |
Correct |
7 ms |
208 KB |
Output is correct |
25 |
Correct |
9 ms |
320 KB |
Output is correct |
26 |
Correct |
11 ms |
320 KB |
Output is correct |
27 |
Correct |
12 ms |
324 KB |
Output is correct |
28 |
Correct |
12 ms |
320 KB |
Output is correct |
29 |
Correct |
9 ms |
316 KB |
Output is correct |
30 |
Correct |
12 ms |
324 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 |
2 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 |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
2 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
3 ms |
308 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
3 ms |
208 KB |
Output is correct |
17 |
Correct |
7 ms |
208 KB |
Output is correct |
18 |
Correct |
10 ms |
208 KB |
Output is correct |
19 |
Correct |
13 ms |
208 KB |
Output is correct |
20 |
Correct |
14 ms |
208 KB |
Output is correct |
21 |
Correct |
14 ms |
324 KB |
Output is correct |
22 |
Correct |
13 ms |
208 KB |
Output is correct |
23 |
Correct |
13 ms |
320 KB |
Output is correct |
24 |
Correct |
7 ms |
208 KB |
Output is correct |
25 |
Correct |
9 ms |
320 KB |
Output is correct |
26 |
Correct |
11 ms |
320 KB |
Output is correct |
27 |
Correct |
12 ms |
324 KB |
Output is correct |
28 |
Correct |
12 ms |
320 KB |
Output is correct |
29 |
Correct |
9 ms |
316 KB |
Output is correct |
30 |
Correct |
12 ms |
324 KB |
Output is correct |
31 |
Correct |
23 ms |
208 KB |
Output is correct |
32 |
Correct |
33 ms |
320 KB |
Output is correct |
33 |
Correct |
24 ms |
348 KB |
Output is correct |
34 |
Correct |
56 ms |
344 KB |
Output is correct |
35 |
Correct |
51 ms |
340 KB |
Output is correct |
36 |
Correct |
43 ms |
348 KB |
Output is correct |
37 |
Correct |
43 ms |
464 KB |
Output is correct |
38 |
Correct |
43 ms |
348 KB |
Output is correct |
39 |
Correct |
57 ms |
336 KB |
Output is correct |
40 |
Correct |
50 ms |
336 KB |
Output is correct |
41 |
Correct |
49 ms |
344 KB |
Output is correct |
42 |
Correct |
40 ms |
336 KB |
Output is correct |
43 |
Correct |
47 ms |
336 KB |
Output is correct |
44 |
Correct |
48 ms |
464 KB |
Output is correct |
45 |
Correct |
55 ms |
340 KB |
Output is correct |
46 |
Correct |
72 ms |
464 KB |
Output is correct |
47 |
Correct |
49 ms |
456 KB |
Output is correct |
48 |
Correct |
57 ms |
352 KB |
Output is correct |
49 |
Correct |
55 ms |
348 KB |
Output is correct |
50 |
Correct |
52 ms |
348 KB |
Output is correct |
51 |
Correct |
58 ms |
340 KB |
Output is correct |
52 |
Correct |
50 ms |
352 KB |
Output is correct |
53 |
Correct |
51 ms |
336 KB |
Output is correct |
54 |
Correct |
52 ms |
336 KB |
Output is correct |
55 |
Correct |
57 ms |
396 KB |
Output is correct |
56 |
Correct |
62 ms |
340 KB |
Output is correct |
57 |
Correct |
55 ms |
336 KB |
Output is correct |
58 |
Correct |
56 ms |
336 KB |
Output is correct |
59 |
Correct |
58 ms |
336 KB |
Output is correct |
60 |
Correct |
52 ms |
352 KB |
Output is correct |