#include <bits/stdc++.h>
using namespace std;
#include "xylophone.h"
void solve(int n){
int lo=1,hi=n-1,mid;
while(lo<hi){
mid=(lo+hi+1)/2;
int x=query(mid,n);
if(x==n-1) lo=mid;
else hi=mid-1;
}
int ans[n+1],got[n+1];
memset(got,0,sizeof(got));
memset(ans,-1,sizeof(ans));
ans[lo]=1;
got[1]=1;
if(lo>1) ans[lo-1]=1+query(lo-1,lo);
for(int i=lo-2; i>0; i--){
int x=query(i,i+1);
int a=ans[i+1]+x,b=ans[i+1]-x;
if(a<=1||a>=n||got[a]) ans[i]=b;
else if(b<=1||b>=n||got[b]) ans[i]=a;
else{
int y=query(i,i+2);
if(y==abs(ans[i+1]-ans[i+2])){
if(ans[i+1]<ans[i+2]) ans[i]=a;
else ans[i]=b;
}
else if(b==max(ans[i+1],ans[i+2])-y) ans[i]=b;
else ans[i]=a;
}
got[ans[i]]=1;
}
ans[lo+1]=1+query(lo,lo+1);
for(int i=lo+2; i<=n; i++){
int x=query(i-1,i);
int a=ans[i-1]+x,b=ans[i-1]-x;
if(a<=1||a>n||got[a]) ans[i]=b;
else if(b<=1||b>n||got[b]) ans[i]=a;
else{
int y=query(i-2,i);
if(y==abs(ans[i-1]-ans[i-2])){
if(ans[i-1]<ans[i-2]) ans[i]=a;
else ans[i]=b;
}
else if(b==max(ans[i-1],ans[i-2])-y) ans[i]=b;
else ans[i]=a;
}
got[ans[i]]=1;
}
for(int i=1; i<=n; i++) answer(i,ans[i]);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
3 ms |
344 KB |
Output is correct |
18 |
Correct |
5 ms |
344 KB |
Output is correct |
19 |
Correct |
7 ms |
344 KB |
Output is correct |
20 |
Correct |
7 ms |
344 KB |
Output is correct |
21 |
Correct |
8 ms |
344 KB |
Output is correct |
22 |
Correct |
4 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
344 KB |
Output is correct |
24 |
Correct |
5 ms |
344 KB |
Output is correct |
25 |
Correct |
5 ms |
344 KB |
Output is correct |
26 |
Correct |
6 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
344 KB |
Output is correct |
28 |
Correct |
11 ms |
344 KB |
Output is correct |
29 |
Correct |
6 ms |
344 KB |
Output is correct |
30 |
Correct |
6 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
3 ms |
344 KB |
Output is correct |
18 |
Correct |
5 ms |
344 KB |
Output is correct |
19 |
Correct |
7 ms |
344 KB |
Output is correct |
20 |
Correct |
7 ms |
344 KB |
Output is correct |
21 |
Correct |
8 ms |
344 KB |
Output is correct |
22 |
Correct |
4 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
344 KB |
Output is correct |
24 |
Correct |
5 ms |
344 KB |
Output is correct |
25 |
Correct |
5 ms |
344 KB |
Output is correct |
26 |
Correct |
6 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
344 KB |
Output is correct |
28 |
Correct |
11 ms |
344 KB |
Output is correct |
29 |
Correct |
6 ms |
344 KB |
Output is correct |
30 |
Correct |
6 ms |
344 KB |
Output is correct |
31 |
Correct |
20 ms |
592 KB |
Output is correct |
32 |
Correct |
20 ms |
344 KB |
Output is correct |
33 |
Correct |
37 ms |
444 KB |
Output is correct |
34 |
Correct |
26 ms |
444 KB |
Output is correct |
35 |
Correct |
40 ms |
592 KB |
Output is correct |
36 |
Correct |
23 ms |
464 KB |
Output is correct |
37 |
Correct |
35 ms |
444 KB |
Output is correct |
38 |
Correct |
24 ms |
448 KB |
Output is correct |
39 |
Correct |
32 ms |
344 KB |
Output is correct |
40 |
Correct |
30 ms |
592 KB |
Output is correct |
41 |
Correct |
36 ms |
448 KB |
Output is correct |
42 |
Correct |
29 ms |
464 KB |
Output is correct |
43 |
Correct |
29 ms |
592 KB |
Output is correct |
44 |
Correct |
30 ms |
448 KB |
Output is correct |
45 |
Correct |
26 ms |
448 KB |
Output is correct |
46 |
Correct |
35 ms |
344 KB |
Output is correct |
47 |
Correct |
27 ms |
452 KB |
Output is correct |
48 |
Correct |
33 ms |
592 KB |
Output is correct |
49 |
Correct |
28 ms |
344 KB |
Output is correct |
50 |
Correct |
35 ms |
444 KB |
Output is correct |
51 |
Correct |
38 ms |
444 KB |
Output is correct |
52 |
Correct |
19 ms |
452 KB |
Output is correct |
53 |
Correct |
25 ms |
344 KB |
Output is correct |
54 |
Correct |
39 ms |
344 KB |
Output is correct |
55 |
Correct |
27 ms |
452 KB |
Output is correct |
56 |
Correct |
38 ms |
444 KB |
Output is correct |
57 |
Correct |
26 ms |
476 KB |
Output is correct |
58 |
Correct |
32 ms |
344 KB |
Output is correct |
59 |
Correct |
39 ms |
444 KB |
Output is correct |
60 |
Correct |
22 ms |
464 KB |
Output is correct |