#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <vector>
using namespace std;
#include "xylophone.h"
static int A[5000];
void solve(int N){
int n = N;
int i = 1, fin = n;
while(i < fin){
int m = (i + fin) / 2;
if (query(m, n) == n - 1){
i = m + 1;
}else fin = m;
}
i--;
int reference = i;
vector<int> a(n + 1), vis(n + 1);
int x = query(i, i + 1);
a[i] = 1;
a[i + 1] = x + 1;
i += 2;
vis[1] = vis[x + 1] = 1;
int last = x;
for (; i <= n; i++){
int mn = min(a[i - 1], a[i - 2]);
int uno = query(i - 1, i);
if (a[i - 1] + uno > n) a[i] = a[i - 1] - uno;
else if (a[i - 1] + uno < 1) a[i] = a[i - 1] + uno;
else if (vis[a[i - 1] + uno]) a[i] = a[i - 1] - uno;
else if (vis[a[i - 1] - uno]) a[i] = a[i - 1] + uno;
else{
int dos = query(i - 2, i);
if (dos > last){
if (dos == uno){
if (a[i - 1] == mn) a[i] = a[i - 1] + uno;
else a[i] = a[i - 1] - uno;
}else{
if (a[i - 2] == mn) a[i] = a[i - 2] + dos;
else a[i] = a[i - 2] - dos;
}
}else{
if (a[i - 1] == mn) a[i] = a[i - 1] + uno;
else a[i] = a[i - 1] - uno;
}
}
vis[a[i]] = 1;
last = uno;
}
i = reference;
if (i > 1){
x = query(i - 1, i);
a[i - 1] = 1 + x;
vis[1 + x] = 1;
last = x;
i -= 2;
for (; i >= 1; i--){
int mn = min(a[i + 1], a[i + 2]);
int uno = query(i, i + 1);
if (a[i + 1] + uno > n) a[i] = a[i + 1] - uno;
else if (a[i + 1] + uno < 1) a[i] = a[i + 1] + uno;
else if (vis[a[i + 1] + uno]) a[i] = a[i + 1] - uno;
else if (vis[a[i + 1] - uno]) a[i] = a[i + 1] + uno;
else{
int dos = query(i, i + 2);
if (dos > last){
if (dos == uno){
if (a[i + 1] == mn) a[i] = a[i + 1] + uno;
else a[i] = a[i + 1] - uno;
}else{
if (a[i + 2] == mn) a[i] = a[i + 2] + dos;
else a[i] = a[i + 2] - dos;
}
}else{
if (a[i + 1] == mn) a[i] = a[i + 1] + uno;
else a[i] = a[i + 1] - uno;
}
}
vis[a[i]] = 1;
last = uno;
}
}
for(int i = 1;i<=n;i++) answer(i, a[i]);
return;
}
Compilation message
xylophone.cpp:8:12: warning: 'A' defined but not used [-Wunused-variable]
8 | static int A[5000];
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
3 ms |
336 KB |
Output is correct |
| 5 |
Correct |
2 ms |
336 KB |
Output is correct |
| 6 |
Correct |
3 ms |
336 KB |
Output is correct |
| 7 |
Correct |
2 ms |
508 KB |
Output is correct |
| 8 |
Correct |
3 ms |
336 KB |
Output is correct |
| 9 |
Correct |
2 ms |
336 KB |
Output is correct |
| 10 |
Correct |
3 ms |
336 KB |
Output is correct |
| 11 |
Correct |
3 ms |
336 KB |
Output is correct |
| 12 |
Correct |
3 ms |
336 KB |
Output is correct |
| 13 |
Correct |
3 ms |
508 KB |
Output is correct |
| 14 |
Correct |
2 ms |
336 KB |
Output is correct |
| 15 |
Correct |
3 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
3 ms |
336 KB |
Output is correct |
| 5 |
Correct |
2 ms |
336 KB |
Output is correct |
| 6 |
Correct |
3 ms |
336 KB |
Output is correct |
| 7 |
Correct |
2 ms |
508 KB |
Output is correct |
| 8 |
Correct |
3 ms |
336 KB |
Output is correct |
| 9 |
Correct |
2 ms |
336 KB |
Output is correct |
| 10 |
Correct |
3 ms |
336 KB |
Output is correct |
| 11 |
Correct |
3 ms |
336 KB |
Output is correct |
| 12 |
Correct |
3 ms |
336 KB |
Output is correct |
| 13 |
Correct |
3 ms |
508 KB |
Output is correct |
| 14 |
Correct |
2 ms |
336 KB |
Output is correct |
| 15 |
Correct |
3 ms |
336 KB |
Output is correct |
| 16 |
Correct |
6 ms |
336 KB |
Output is correct |
| 17 |
Correct |
8 ms |
336 KB |
Output is correct |
| 18 |
Correct |
18 ms |
336 KB |
Output is correct |
| 19 |
Correct |
23 ms |
336 KB |
Output is correct |
| 20 |
Correct |
20 ms |
336 KB |
Output is correct |
| 21 |
Correct |
21 ms |
336 KB |
Output is correct |
| 22 |
Correct |
20 ms |
504 KB |
Output is correct |
| 23 |
Correct |
16 ms |
336 KB |
Output is correct |
| 24 |
Correct |
21 ms |
336 KB |
Output is correct |
| 25 |
Correct |
21 ms |
336 KB |
Output is correct |
| 26 |
Correct |
19 ms |
336 KB |
Output is correct |
| 27 |
Correct |
15 ms |
336 KB |
Output is correct |
| 28 |
Correct |
20 ms |
336 KB |
Output is correct |
| 29 |
Correct |
22 ms |
336 KB |
Output is correct |
| 30 |
Correct |
19 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
3 ms |
336 KB |
Output is correct |
| 5 |
Correct |
2 ms |
336 KB |
Output is correct |
| 6 |
Correct |
3 ms |
336 KB |
Output is correct |
| 7 |
Correct |
2 ms |
508 KB |
Output is correct |
| 8 |
Correct |
3 ms |
336 KB |
Output is correct |
| 9 |
Correct |
2 ms |
336 KB |
Output is correct |
| 10 |
Correct |
3 ms |
336 KB |
Output is correct |
| 11 |
Correct |
3 ms |
336 KB |
Output is correct |
| 12 |
Correct |
3 ms |
336 KB |
Output is correct |
| 13 |
Correct |
3 ms |
508 KB |
Output is correct |
| 14 |
Correct |
2 ms |
336 KB |
Output is correct |
| 15 |
Correct |
3 ms |
336 KB |
Output is correct |
| 16 |
Correct |
6 ms |
336 KB |
Output is correct |
| 17 |
Correct |
8 ms |
336 KB |
Output is correct |
| 18 |
Correct |
18 ms |
336 KB |
Output is correct |
| 19 |
Correct |
23 ms |
336 KB |
Output is correct |
| 20 |
Correct |
20 ms |
336 KB |
Output is correct |
| 21 |
Correct |
21 ms |
336 KB |
Output is correct |
| 22 |
Correct |
20 ms |
504 KB |
Output is correct |
| 23 |
Correct |
16 ms |
336 KB |
Output is correct |
| 24 |
Correct |
21 ms |
336 KB |
Output is correct |
| 25 |
Correct |
21 ms |
336 KB |
Output is correct |
| 26 |
Correct |
19 ms |
336 KB |
Output is correct |
| 27 |
Correct |
15 ms |
336 KB |
Output is correct |
| 28 |
Correct |
20 ms |
336 KB |
Output is correct |
| 29 |
Correct |
22 ms |
336 KB |
Output is correct |
| 30 |
Correct |
19 ms |
336 KB |
Output is correct |
| 31 |
Correct |
44 ms |
336 KB |
Output is correct |
| 32 |
Correct |
69 ms |
460 KB |
Output is correct |
| 33 |
Correct |
113 ms |
336 KB |
Output is correct |
| 34 |
Correct |
109 ms |
468 KB |
Output is correct |
| 35 |
Correct |
103 ms |
336 KB |
Output is correct |
| 36 |
Correct |
80 ms |
336 KB |
Output is correct |
| 37 |
Correct |
90 ms |
336 KB |
Output is correct |
| 38 |
Correct |
103 ms |
336 KB |
Output is correct |
| 39 |
Correct |
120 ms |
504 KB |
Output is correct |
| 40 |
Correct |
128 ms |
336 KB |
Output is correct |
| 41 |
Correct |
117 ms |
336 KB |
Output is correct |
| 42 |
Correct |
65 ms |
472 KB |
Output is correct |
| 43 |
Correct |
117 ms |
468 KB |
Output is correct |
| 44 |
Correct |
114 ms |
336 KB |
Output is correct |
| 45 |
Correct |
112 ms |
336 KB |
Output is correct |
| 46 |
Correct |
96 ms |
468 KB |
Output is correct |
| 47 |
Correct |
128 ms |
468 KB |
Output is correct |
| 48 |
Correct |
124 ms |
336 KB |
Output is correct |
| 49 |
Correct |
109 ms |
464 KB |
Output is correct |
| 50 |
Correct |
120 ms |
336 KB |
Output is correct |
| 51 |
Correct |
137 ms |
336 KB |
Output is correct |
| 52 |
Correct |
113 ms |
336 KB |
Output is correct |
| 53 |
Correct |
130 ms |
336 KB |
Output is correct |
| 54 |
Correct |
135 ms |
336 KB |
Output is correct |
| 55 |
Correct |
116 ms |
336 KB |
Output is correct |
| 56 |
Correct |
131 ms |
336 KB |
Output is correct |
| 57 |
Correct |
118 ms |
336 KB |
Output is correct |
| 58 |
Correct |
119 ms |
336 KB |
Output is correct |
| 59 |
Correct |
124 ms |
336 KB |
Output is correct |
| 60 |
Correct |
133 ms |
336 KB |
Output is correct |
