#include <bits/stdc++.h>
#include "xylophone.h"
using namespace std;
#define wr cout << "Continue debugging\n";
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pii pair <int, int>
#define pb push_back
#define ff first
#define ss second
int F(int n){
int l = 1, r = n-1, pos;
while(l <= r){
int md = (l+r)>>1;
int x = query(md, n);
if (x != n-1) r = md - 1;
else{
pos = md;
l = md + 1;
}
}
return pos;
}
void solve(int n){
int pos = F(n);
vector<int> a(n+1), vis(n+2, 0);
vis[1] = 1;
a[pos] = 1;
a[pos+1] = 1+query(pos, pos+1);
vis[a[pos+1]] = 1;
if (pos > 1){
a[pos-1] = 1+query(pos-1, pos);
vis[a[pos-1]] = 1;
}
for (int i = pos-2; i >= 1; i--){
a[i] = a[i+1];
int x = query(i, i+1);
if (a[i]+x > n or vis[a[i]+x]){a[i] -= x; vis[a[i]] = 1; continue;}
if (a[i]-x <= 0 or vis[a[i]-x]){a[i] += x; vis[a[i]] = 1; continue;}
int y = query(i, i+2);
if (x == y){
if (a[i+1] > a[i+2]) a[i] -= x;
else a[i] += x;
}else{
if (abs(a[i+1]-a[i+2]) != y){
if (a[i+1] > a[i+2]) a[i] += x;
else a[i] -= x;
}else{
if (a[i+1] > a[i+2]) a[i] -= x;
else a[i] += x;
}
}
vis[a[i]] = 1;
}
for (int i = pos+2; i <= n; i++){
a[i] = a[i-1];
int x = query(i-1, i);
if (a[i]+x > n or vis[a[i]+x]){a[i] -= x;continue;}
if (a[i]-x <= 0 or vis[a[i]-x]){a[i] += x;continue;}
int y = query(i-2, i);
if (x == y){
if (a[i-1] > a[i-2]) a[i] -= x;
else a[i] += x;
}else{
if (abs(a[i-1]-a[i-2]) != y){
if (a[i-1] > a[i-2]) a[i] += x;
else a[i] -= x;
}else{
if (a[i-1] > a[i-2]) a[i] -= x;
else a[i] += x;
}
}
vis[a[i]] = 1;
}
for (int i = 1; i <= n; i++) answer(i, a[i]);
}
Compilation message
xylophone.cpp: In function 'int F(int)':
xylophone.cpp:23:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
23 | return pos;
| ^~~
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:34:21: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
34 | a[pos-1] = 1+query(pos-1, pos);
| ~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
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 |
1 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 |
2 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 |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
1 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 |
2 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 |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 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 |
8 ms |
208 KB |
Output is correct |
| 19 |
Correct |
12 ms |
208 KB |
Output is correct |
| 20 |
Correct |
14 ms |
208 KB |
Output is correct |
| 21 |
Correct |
7 ms |
208 KB |
Output is correct |
| 22 |
Correct |
12 ms |
208 KB |
Output is correct |
| 23 |
Correct |
13 ms |
208 KB |
Output is correct |
| 24 |
Correct |
8 ms |
208 KB |
Output is correct |
| 25 |
Correct |
11 ms |
284 KB |
Output is correct |
| 26 |
Correct |
13 ms |
208 KB |
Output is correct |
| 27 |
Correct |
15 ms |
208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
312 KB |
Output is correct |
| 29 |
Correct |
12 ms |
208 KB |
Output is correct |
| 30 |
Correct |
11 ms |
312 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
1 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 |
2 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 |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 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 |
8 ms |
208 KB |
Output is correct |
| 19 |
Correct |
12 ms |
208 KB |
Output is correct |
| 20 |
Correct |
14 ms |
208 KB |
Output is correct |
| 21 |
Correct |
7 ms |
208 KB |
Output is correct |
| 22 |
Correct |
12 ms |
208 KB |
Output is correct |
| 23 |
Correct |
13 ms |
208 KB |
Output is correct |
| 24 |
Correct |
8 ms |
208 KB |
Output is correct |
| 25 |
Correct |
11 ms |
284 KB |
Output is correct |
| 26 |
Correct |
13 ms |
208 KB |
Output is correct |
| 27 |
Correct |
15 ms |
208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
312 KB |
Output is correct |
| 29 |
Correct |
12 ms |
208 KB |
Output is correct |
| 30 |
Correct |
11 ms |
312 KB |
Output is correct |
| 31 |
Correct |
20 ms |
300 KB |
Output is correct |
| 32 |
Correct |
22 ms |
308 KB |
Output is correct |
| 33 |
Correct |
38 ms |
316 KB |
Output is correct |
| 34 |
Correct |
25 ms |
336 KB |
Output is correct |
| 35 |
Correct |
52 ms |
336 KB |
Output is correct |
| 36 |
Correct |
58 ms |
336 KB |
Output is correct |
| 37 |
Correct |
46 ms |
336 KB |
Output is correct |
| 38 |
Correct |
56 ms |
384 KB |
Output is correct |
| 39 |
Correct |
44 ms |
328 KB |
Output is correct |
| 40 |
Correct |
58 ms |
336 KB |
Output is correct |
| 41 |
Correct |
41 ms |
336 KB |
Output is correct |
| 42 |
Correct |
35 ms |
336 KB |
Output is correct |
| 43 |
Correct |
46 ms |
316 KB |
Output is correct |
| 44 |
Correct |
50 ms |
336 KB |
Output is correct |
| 45 |
Correct |
46 ms |
336 KB |
Output is correct |
| 46 |
Correct |
49 ms |
336 KB |
Output is correct |
| 47 |
Correct |
59 ms |
336 KB |
Output is correct |
| 48 |
Correct |
44 ms |
336 KB |
Output is correct |
| 49 |
Correct |
67 ms |
336 KB |
Output is correct |
| 50 |
Correct |
56 ms |
336 KB |
Output is correct |
| 51 |
Correct |
62 ms |
328 KB |
Output is correct |
| 52 |
Correct |
53 ms |
336 KB |
Output is correct |
| 53 |
Correct |
68 ms |
336 KB |
Output is correct |
| 54 |
Correct |
50 ms |
336 KB |
Output is correct |
| 55 |
Correct |
53 ms |
336 KB |
Output is correct |
| 56 |
Correct |
53 ms |
208 KB |
Output is correct |
| 57 |
Correct |
60 ms |
336 KB |
Output is correct |
| 58 |
Correct |
53 ms |
336 KB |
Output is correct |
| 59 |
Correct |
35 ms |
320 KB |
Output is correct |
| 60 |
Correct |
56 ms |
316 KB |
Output is correct |
