#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
// static int A[5000];
int pos = 1;
void get(int l, int r, int n){
if(l > r)return;
if(l==r){
if(query(l,n)==(n-1))pos = l;
return;
}
int m = (l+r)/2;
if(query(m,n)==(n-1)) pos = m,get(m+1,r,n);
else get(l,m-1,n);
}
void solve(int n) {
vector<int>a(n+1);
get(1,n,n);
a[pos] = 1;
if(pos > 1)a[pos-1] = 1+query(pos-1,pos);
if(pos < n)a[pos+1] = 1+query(pos,pos+1);
vector<int>taken(n+1);
for(int i = pos-1;i<=pos+1;++i)taken[a[i]] = 1;
for(int i = pos-2;i>=1;--i){
set<int>opt;
int c = query(i,i+1);
if(a[i+1]-c >= 1 && !taken[a[i+1]-c])opt.insert(a[i+1]-c);
if(a[i+1]+c <= n && !taken[a[i+1]+c])opt.insert(a[i+1]+c);
if(opt.size()==1){
a[i] = *opt.begin();
taken[a[i]] = 1;
continue;
}
int v = abs(a[i+1]-a[i+2]);
int w = query(i,i+2);
if(w==v){
// a[i] lies between a[i+1] and a[i-1]
for(auto x : opt){
if(x >= min(a[i+1],a[i+2]) && x<= max(a[i+1],a[i+2])){
a[i] = x;
taken[x] = 1;
continue;
}
}
}else{
for(auto x : opt){
set<int>kk = {a[i+1],a[i+2],x};
if((*--kk.end())-*kk.begin() == w){
a[i] = x;
taken[x] = 1;
continue;
}
}
}
}
for(int i = pos+2;i<=n;++i){
set<int>opt;
int c = query(i-1,i);
if(a[i-1]-c >= 1 && !taken[a[i-1]-c])opt.insert(a[i-1]-c);
if(a[i-1]+c <= n && !taken[a[i-1]+c])opt.insert(a[i-1]+c);
if(opt.size()==1){
a[i] = *opt.begin();
taken[a[i]] = 1;
continue;
}
int v = abs(a[i-1]-a[i-2]);
int w = query(i-2,i);
if(w==v){
// a[i] lies between a[i-1] and a[i-2]
for(auto x : opt){
if(x >= min(a[i-1],a[i-2]) && x<= max(a[i-1],a[i-2])){
a[i] = x;
taken[x] = 1;
continue;
}
}
}else{
for(auto x : opt){
set<int>kk = {a[i-1],a[i-2],x};
if((*--kk.end())-*kk.begin() == w){
a[i] = x;
taken[x] = 1;
continue;
}
}
}
}
for(int i = 1;i<=n;++i){
answer(i,a[i]);
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 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 |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
2 ms |
208 KB |
Output is correct |
| 10 |
Correct |
2 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
2 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 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 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 |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
2 ms |
208 KB |
Output is correct |
| 10 |
Correct |
2 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
2 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 |
4 ms |
212 KB |
Output is correct |
| 17 |
Correct |
8 ms |
208 KB |
Output is correct |
| 18 |
Correct |
12 ms |
208 KB |
Output is correct |
| 19 |
Correct |
12 ms |
208 KB |
Output is correct |
| 20 |
Correct |
17 ms |
208 KB |
Output is correct |
| 21 |
Correct |
11 ms |
208 KB |
Output is correct |
| 22 |
Correct |
13 ms |
208 KB |
Output is correct |
| 23 |
Correct |
9 ms |
312 KB |
Output is correct |
| 24 |
Correct |
11 ms |
296 KB |
Output is correct |
| 25 |
Correct |
11 ms |
208 KB |
Output is correct |
| 26 |
Correct |
17 ms |
288 KB |
Output is correct |
| 27 |
Correct |
18 ms |
208 KB |
Output is correct |
| 28 |
Correct |
6 ms |
308 KB |
Output is correct |
| 29 |
Correct |
12 ms |
208 KB |
Output is correct |
| 30 |
Correct |
11 ms |
304 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 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 |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
2 ms |
208 KB |
Output is correct |
| 10 |
Correct |
2 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
2 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 |
4 ms |
212 KB |
Output is correct |
| 17 |
Correct |
8 ms |
208 KB |
Output is correct |
| 18 |
Correct |
12 ms |
208 KB |
Output is correct |
| 19 |
Correct |
12 ms |
208 KB |
Output is correct |
| 20 |
Correct |
17 ms |
208 KB |
Output is correct |
| 21 |
Correct |
11 ms |
208 KB |
Output is correct |
| 22 |
Correct |
13 ms |
208 KB |
Output is correct |
| 23 |
Correct |
9 ms |
312 KB |
Output is correct |
| 24 |
Correct |
11 ms |
296 KB |
Output is correct |
| 25 |
Correct |
11 ms |
208 KB |
Output is correct |
| 26 |
Correct |
17 ms |
288 KB |
Output is correct |
| 27 |
Correct |
18 ms |
208 KB |
Output is correct |
| 28 |
Correct |
6 ms |
308 KB |
Output is correct |
| 29 |
Correct |
12 ms |
208 KB |
Output is correct |
| 30 |
Correct |
11 ms |
304 KB |
Output is correct |
| 31 |
Correct |
24 ms |
296 KB |
Output is correct |
| 32 |
Correct |
35 ms |
316 KB |
Output is correct |
| 33 |
Correct |
60 ms |
316 KB |
Output is correct |
| 34 |
Correct |
58 ms |
316 KB |
Output is correct |
| 35 |
Correct |
65 ms |
316 KB |
Output is correct |
| 36 |
Correct |
57 ms |
316 KB |
Output is correct |
| 37 |
Correct |
55 ms |
336 KB |
Output is correct |
| 38 |
Correct |
38 ms |
316 KB |
Output is correct |
| 39 |
Correct |
65 ms |
328 KB |
Output is correct |
| 40 |
Correct |
57 ms |
336 KB |
Output is correct |
| 41 |
Correct |
59 ms |
336 KB |
Output is correct |
| 42 |
Correct |
52 ms |
316 KB |
Output is correct |
| 43 |
Correct |
56 ms |
336 KB |
Output is correct |
| 44 |
Correct |
41 ms |
352 KB |
Output is correct |
| 45 |
Correct |
67 ms |
336 KB |
Output is correct |
| 46 |
Correct |
51 ms |
328 KB |
Output is correct |
| 47 |
Correct |
56 ms |
336 KB |
Output is correct |
| 48 |
Correct |
65 ms |
336 KB |
Output is correct |
| 49 |
Correct |
66 ms |
336 KB |
Output is correct |
| 50 |
Correct |
57 ms |
336 KB |
Output is correct |
| 51 |
Correct |
33 ms |
336 KB |
Output is correct |
| 52 |
Correct |
69 ms |
328 KB |
Output is correct |
| 53 |
Correct |
34 ms |
368 KB |
Output is correct |
| 54 |
Correct |
69 ms |
328 KB |
Output is correct |
| 55 |
Correct |
65 ms |
336 KB |
Output is correct |
| 56 |
Correct |
76 ms |
336 KB |
Output is correct |
| 57 |
Correct |
52 ms |
336 KB |
Output is correct |
| 58 |
Correct |
56 ms |
316 KB |
Output is correct |
| 59 |
Correct |
51 ms |
336 KB |
Output is correct |
| 60 |
Correct |
60 ms |
328 KB |
Output is correct |
