#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
static int A[5000];
set<int> used;
void solve(int N) {
int pos=N;
int l=0,r=N-1;
while(l<=r){
int med=(l+r)>>1;
if(query(med+1,N)!=(N-1))
r=med-1;
else l=med+1,pos=med;
}
used.insert(1);
A[pos]=1;
answer(pos+1,1);
for (int i = pos-1; i >= 0; i--)
{
int d=query(i+1,i+2);//i-1
int a=A[i+1]+d,b=A[i+1]-d;
if((a<=0)||(a>N)||used.find(a)!=used.end()){A[i]=b,used.insert(b),answer(i+1,b);continue;}
if((b<=0)||(b>N)||used.find(b)!=used.end()){A[i]=a,used.insert(a),answer(i+1,a);continue;}
int h=query(i+1,i+3),val;
if(h!=(abs(A[i+1]-A[i+2])+d)){
if(A[i+1]<A[i+2])val=a;
else val=b;
}
else{
if(A[i+1]<A[i+2])val=b;
else val=a;
}
A[i]=val;
used.insert(val);
answer(i+1,val);
}
for (int i = pos+1; i < N; i++)
{
int d=query(i,i+1);//i-1
int a=A[i-1]+d,b=A[i-1]-d;
if((a<=0)||(a>N)||used.find(a)!=used.end()){A[i]=b,used.insert(b),answer(i+1,b);continue;}
if((b<=0)||(b>N)||used.find(b)!=used.end()){A[i]=a,used.insert(a),answer(i+1,a);continue;}
int h=query(i-1,i+1),val;
if(h!=(abs(A[i-2]-A[i-1])+d)){
if(A[i-2]<A[i-1])val=b;
else val=a;
}
else{
if(A[i-2]<A[i-1])val=a;
else val=b;
}
A[i]=val;
used.insert(val);
answer(i+1,val);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
6 ms |
248 KB |
Output is correct |
5 |
Correct |
5 ms |
248 KB |
Output is correct |
6 |
Correct |
6 ms |
248 KB |
Output is correct |
7 |
Correct |
6 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
380 KB |
Output is correct |
9 |
Correct |
6 ms |
248 KB |
Output is correct |
10 |
Correct |
6 ms |
248 KB |
Output is correct |
11 |
Correct |
7 ms |
248 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
328 KB |
Output is correct |
15 |
Correct |
6 ms |
248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
6 ms |
248 KB |
Output is correct |
5 |
Correct |
5 ms |
248 KB |
Output is correct |
6 |
Correct |
6 ms |
248 KB |
Output is correct |
7 |
Correct |
6 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
380 KB |
Output is correct |
9 |
Correct |
6 ms |
248 KB |
Output is correct |
10 |
Correct |
6 ms |
248 KB |
Output is correct |
11 |
Correct |
7 ms |
248 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
328 KB |
Output is correct |
15 |
Correct |
6 ms |
248 KB |
Output is correct |
16 |
Correct |
8 ms |
376 KB |
Output is correct |
17 |
Correct |
11 ms |
376 KB |
Output is correct |
18 |
Correct |
18 ms |
248 KB |
Output is correct |
19 |
Correct |
18 ms |
376 KB |
Output is correct |
20 |
Correct |
17 ms |
248 KB |
Output is correct |
21 |
Correct |
18 ms |
248 KB |
Output is correct |
22 |
Correct |
19 ms |
376 KB |
Output is correct |
23 |
Correct |
15 ms |
376 KB |
Output is correct |
24 |
Correct |
10 ms |
404 KB |
Output is correct |
25 |
Correct |
15 ms |
248 KB |
Output is correct |
26 |
Correct |
19 ms |
248 KB |
Output is correct |
27 |
Correct |
17 ms |
376 KB |
Output is correct |
28 |
Correct |
17 ms |
376 KB |
Output is correct |
29 |
Correct |
17 ms |
248 KB |
Output is correct |
30 |
Correct |
18 ms |
248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
6 ms |
248 KB |
Output is correct |
5 |
Correct |
5 ms |
248 KB |
Output is correct |
6 |
Correct |
6 ms |
248 KB |
Output is correct |
7 |
Correct |
6 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
380 KB |
Output is correct |
9 |
Correct |
6 ms |
248 KB |
Output is correct |
10 |
Correct |
6 ms |
248 KB |
Output is correct |
11 |
Correct |
7 ms |
248 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
6 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
328 KB |
Output is correct |
15 |
Correct |
6 ms |
248 KB |
Output is correct |
16 |
Correct |
8 ms |
376 KB |
Output is correct |
17 |
Correct |
11 ms |
376 KB |
Output is correct |
18 |
Correct |
18 ms |
248 KB |
Output is correct |
19 |
Correct |
18 ms |
376 KB |
Output is correct |
20 |
Correct |
17 ms |
248 KB |
Output is correct |
21 |
Correct |
18 ms |
248 KB |
Output is correct |
22 |
Correct |
19 ms |
376 KB |
Output is correct |
23 |
Correct |
15 ms |
376 KB |
Output is correct |
24 |
Correct |
10 ms |
404 KB |
Output is correct |
25 |
Correct |
15 ms |
248 KB |
Output is correct |
26 |
Correct |
19 ms |
248 KB |
Output is correct |
27 |
Correct |
17 ms |
376 KB |
Output is correct |
28 |
Correct |
17 ms |
376 KB |
Output is correct |
29 |
Correct |
17 ms |
248 KB |
Output is correct |
30 |
Correct |
18 ms |
248 KB |
Output is correct |
31 |
Correct |
31 ms |
504 KB |
Output is correct |
32 |
Correct |
45 ms |
456 KB |
Output is correct |
33 |
Correct |
55 ms |
504 KB |
Output is correct |
34 |
Correct |
65 ms |
632 KB |
Output is correct |
35 |
Correct |
66 ms |
504 KB |
Output is correct |
36 |
Correct |
52 ms |
524 KB |
Output is correct |
37 |
Correct |
56 ms |
632 KB |
Output is correct |
38 |
Correct |
57 ms |
504 KB |
Output is correct |
39 |
Correct |
59 ms |
504 KB |
Output is correct |
40 |
Correct |
68 ms |
632 KB |
Output is correct |
41 |
Correct |
68 ms |
632 KB |
Output is correct |
42 |
Correct |
55 ms |
504 KB |
Output is correct |
43 |
Correct |
34 ms |
568 KB |
Output is correct |
44 |
Correct |
57 ms |
620 KB |
Output is correct |
45 |
Correct |
61 ms |
504 KB |
Output is correct |
46 |
Correct |
66 ms |
504 KB |
Output is correct |
47 |
Correct |
67 ms |
504 KB |
Output is correct |
48 |
Correct |
66 ms |
504 KB |
Output is correct |
49 |
Correct |
67 ms |
484 KB |
Output is correct |
50 |
Correct |
72 ms |
632 KB |
Output is correct |
51 |
Correct |
64 ms |
484 KB |
Output is correct |
52 |
Correct |
66 ms |
632 KB |
Output is correct |
53 |
Correct |
72 ms |
504 KB |
Output is correct |
54 |
Correct |
68 ms |
556 KB |
Output is correct |
55 |
Correct |
71 ms |
636 KB |
Output is correct |
56 |
Correct |
64 ms |
632 KB |
Output is correct |
57 |
Correct |
63 ms |
632 KB |
Output is correct |
58 |
Correct |
65 ms |
504 KB |
Output is correct |
59 |
Correct |
64 ms |
508 KB |
Output is correct |
60 |
Correct |
64 ms |
504 KB |
Output is correct |