#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
int n, A[5005];
int getl() {
int l = 1, r = n;
while(l < r) {
int m = l + r + 1>> 1;
if(query(m, n) == n-1) l = m;
r = m-1;
}
return l;
}
int getNum(int a1, int a2, int a, int b) {
if(a > b) {
if(a2 - a1 == a - b) return a + a1;
return a - a1;
} else {
if(a2 - a1 == b - a) return a - a1;
return a + a1;
}
}
void solve(int N) {
n = N;
A[1] = 0, A[2] = query(1, 2);
for(int i = 3; i <= n; ++i) A[i] = getNum(query(i-1, i), query(i-2, i), A[i-1], A[i-2]);
int mn = *min_element(A+1, A+n+1);
int p1, pn;
for_each(A+1, A+n+1, [&](int &x) { x = x - mn + 1; });
for(int i = 1; i <= n; ++i) {
if(A[i] == 1) p1 = i;
if(A[i] == n) pn = i;
}
if(p1 > pn) for_each(A+1, A+n+1, [&](int &x) { x = n - x + 1; });
for(int i = 1; i <= n; ++i) answer(i, A[i]);
}
Compilation message
xylophone.cpp: In function 'int getl()':
xylophone.cpp:10:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int m = l + r + 1>> 1;
~~~~~~^~~
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:38:2: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized]
if(p1 > pn) for_each(A+1, A+n+1, [&](int &x) { x = n - x + 1; });
^~
xylophone.cpp:38:2: warning: 'pn' may be used uninitialized in this function [-Wmaybe-uninitialized]
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
312 KB |
Output is correct |
| 3 |
Correct |
3 ms |
512 KB |
Output is correct |
| 4 |
Correct |
3 ms |
512 KB |
Output is correct |
| 5 |
Correct |
4 ms |
512 KB |
Output is correct |
| 6 |
Correct |
3 ms |
512 KB |
Output is correct |
| 7 |
Correct |
3 ms |
512 KB |
Output is correct |
| 8 |
Correct |
5 ms |
512 KB |
Output is correct |
| 9 |
Correct |
3 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
4 ms |
512 KB |
Output is correct |
| 12 |
Correct |
3 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
5 ms |
512 KB |
Output is correct |
| 15 |
Correct |
9 ms |
520 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
312 KB |
Output is correct |
| 3 |
Correct |
3 ms |
512 KB |
Output is correct |
| 4 |
Correct |
3 ms |
512 KB |
Output is correct |
| 5 |
Correct |
4 ms |
512 KB |
Output is correct |
| 6 |
Correct |
3 ms |
512 KB |
Output is correct |
| 7 |
Correct |
3 ms |
512 KB |
Output is correct |
| 8 |
Correct |
5 ms |
512 KB |
Output is correct |
| 9 |
Correct |
3 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
4 ms |
512 KB |
Output is correct |
| 12 |
Correct |
3 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
5 ms |
512 KB |
Output is correct |
| 15 |
Correct |
9 ms |
520 KB |
Output is correct |
| 16 |
Correct |
13 ms |
536 KB |
Output is correct |
| 17 |
Correct |
7 ms |
536 KB |
Output is correct |
| 18 |
Correct |
16 ms |
536 KB |
Output is correct |
| 19 |
Correct |
22 ms |
536 KB |
Output is correct |
| 20 |
Correct |
15 ms |
536 KB |
Output is correct |
| 21 |
Correct |
42 ms |
536 KB |
Output is correct |
| 22 |
Correct |
21 ms |
536 KB |
Output is correct |
| 23 |
Correct |
17 ms |
568 KB |
Output is correct |
| 24 |
Correct |
44 ms |
568 KB |
Output is correct |
| 25 |
Correct |
15 ms |
692 KB |
Output is correct |
| 26 |
Correct |
31 ms |
692 KB |
Output is correct |
| 27 |
Correct |
20 ms |
692 KB |
Output is correct |
| 28 |
Correct |
47 ms |
692 KB |
Output is correct |
| 29 |
Correct |
25 ms |
700 KB |
Output is correct |
| 30 |
Correct |
36 ms |
700 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
312 KB |
Output is correct |
| 3 |
Correct |
3 ms |
512 KB |
Output is correct |
| 4 |
Correct |
3 ms |
512 KB |
Output is correct |
| 5 |
Correct |
4 ms |
512 KB |
Output is correct |
| 6 |
Correct |
3 ms |
512 KB |
Output is correct |
| 7 |
Correct |
3 ms |
512 KB |
Output is correct |
| 8 |
Correct |
5 ms |
512 KB |
Output is correct |
| 9 |
Correct |
3 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
4 ms |
512 KB |
Output is correct |
| 12 |
Correct |
3 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
5 ms |
512 KB |
Output is correct |
| 15 |
Correct |
9 ms |
520 KB |
Output is correct |
| 16 |
Correct |
13 ms |
536 KB |
Output is correct |
| 17 |
Correct |
7 ms |
536 KB |
Output is correct |
| 18 |
Correct |
16 ms |
536 KB |
Output is correct |
| 19 |
Correct |
22 ms |
536 KB |
Output is correct |
| 20 |
Correct |
15 ms |
536 KB |
Output is correct |
| 21 |
Correct |
42 ms |
536 KB |
Output is correct |
| 22 |
Correct |
21 ms |
536 KB |
Output is correct |
| 23 |
Correct |
17 ms |
568 KB |
Output is correct |
| 24 |
Correct |
44 ms |
568 KB |
Output is correct |
| 25 |
Correct |
15 ms |
692 KB |
Output is correct |
| 26 |
Correct |
31 ms |
692 KB |
Output is correct |
| 27 |
Correct |
20 ms |
692 KB |
Output is correct |
| 28 |
Correct |
47 ms |
692 KB |
Output is correct |
| 29 |
Correct |
25 ms |
700 KB |
Output is correct |
| 30 |
Correct |
36 ms |
700 KB |
Output is correct |
| 31 |
Correct |
75 ms |
700 KB |
Output is correct |
| 32 |
Correct |
59 ms |
700 KB |
Output is correct |
| 33 |
Correct |
56 ms |
700 KB |
Output is correct |
| 34 |
Correct |
129 ms |
700 KB |
Output is correct |
| 35 |
Correct |
129 ms |
700 KB |
Output is correct |
| 36 |
Correct |
63 ms |
700 KB |
Output is correct |
| 37 |
Correct |
151 ms |
700 KB |
Output is correct |
| 38 |
Correct |
158 ms |
704 KB |
Output is correct |
| 39 |
Correct |
151 ms |
824 KB |
Output is correct |
| 40 |
Correct |
139 ms |
824 KB |
Output is correct |
| 41 |
Correct |
151 ms |
824 KB |
Output is correct |
| 42 |
Correct |
99 ms |
832 KB |
Output is correct |
| 43 |
Correct |
137 ms |
832 KB |
Output is correct |
| 44 |
Correct |
163 ms |
832 KB |
Output is correct |
| 45 |
Correct |
66 ms |
832 KB |
Output is correct |
| 46 |
Correct |
81 ms |
832 KB |
Output is correct |
| 47 |
Correct |
90 ms |
832 KB |
Output is correct |
| 48 |
Correct |
107 ms |
832 KB |
Output is correct |
| 49 |
Correct |
64 ms |
832 KB |
Output is correct |
| 50 |
Correct |
147 ms |
832 KB |
Output is correct |
| 51 |
Correct |
172 ms |
832 KB |
Output is correct |
| 52 |
Correct |
125 ms |
832 KB |
Output is correct |
| 53 |
Correct |
77 ms |
832 KB |
Output is correct |
| 54 |
Correct |
140 ms |
832 KB |
Output is correct |
| 55 |
Correct |
108 ms |
832 KB |
Output is correct |
| 56 |
Correct |
113 ms |
832 KB |
Output is correct |
| 57 |
Correct |
110 ms |
832 KB |
Output is correct |
| 58 |
Correct |
103 ms |
832 KB |
Output is correct |
| 59 |
Correct |
96 ms |
832 KB |
Output is correct |
| 60 |
Correct |
95 ms |
832 KB |
Output is correct |
