#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
bool Check(int a, int b, int c, int i) {
if (a == b || b == c || a == c) {return false;}
if (a > b && b > c) {
return query(i + 1, i + 3) == a - c;
}
if (a > c && c > b) {
return query(i + 1, i + 3) == a - b;
}
if (c > a && a > b) {
return query(i + 1, i + 3) == c - b;
}
if (c > b && b > a) {
return query(i + 1, i + 3) == c - a;
}
if (b > a && a > c) {
return query(i + 1, i + 3) == b - c;
}
if (b > c && c > a) {
return query(i + 1, i + 3) == b - a;
}
}
int GetRight(int n, int a, int b, int x, int i) {
int c1 = b + x, c2 = b - x;
if (c1 > n) {return c2;}
if (c2 < 1) {return c1;}
if (Check(a, b, c1, i)) {
return c1;
}
return c2;
}
int GetLeft(int n, int a, int b, int x, int i) {
int c1 = a + x, c2 = a - x;
if (c1 > n) {return c2;}
if (c2 < 1) {return c1;}
if (Check(c1, a, b, i)) {
return c1;
}
return c2;
}
void solve(int n) {
int pos = n - 1;
int l = 0, r = n;
while (r - l > 1) {
int m = l + (r - l) / 2;
if (query(1, m) == n - 1) {
r = m;
} else {
l = m;
}
}
pos = l;
vector <int> num(n);
num[pos] = n;
if (pos + 1 < n) {
int x = query(pos + 1, pos + 2);
num[pos + 1] = n - x;
}
vector <vector<int>> cand1(n), cand2(n);
for (int i = pos + 2; i < n; ++i) {
int x = query(i, i + 1);
num[i] = GetRight(n, num[i - 2], num[i - 1], x, i - 2);
}
if (pos != 0) {
int x = query(pos, pos + 1);
num[pos - 1] = n - x;
}
for (int i = pos - 2; i >= 0; --i) {
int x = query(i + 1, i + 2);
num[i] = GetLeft(n, num[i + 1], num[i + 2], x, i);
}
for(int i = 0; i < n; ++i) {
answer(i + 1, num[i]);
}
}
Compilation message
xylophone.cpp: In function 'bool Check(int, int, int, int)':
xylophone.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
26 | }
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
2 ms |
364 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
364 KB |
Output is correct |
| 7 |
Correct |
3 ms |
364 KB |
Output is correct |
| 8 |
Correct |
2 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
364 KB |
Output is correct |
| 11 |
Correct |
2 ms |
364 KB |
Output is correct |
| 12 |
Correct |
2 ms |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
364 KB |
Output is correct |
| 14 |
Correct |
2 ms |
364 KB |
Output is correct |
| 15 |
Correct |
2 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
2 ms |
364 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
364 KB |
Output is correct |
| 7 |
Correct |
3 ms |
364 KB |
Output is correct |
| 8 |
Correct |
2 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
364 KB |
Output is correct |
| 11 |
Correct |
2 ms |
364 KB |
Output is correct |
| 12 |
Correct |
2 ms |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
364 KB |
Output is correct |
| 14 |
Correct |
2 ms |
364 KB |
Output is correct |
| 15 |
Correct |
2 ms |
364 KB |
Output is correct |
| 16 |
Correct |
4 ms |
364 KB |
Output is correct |
| 17 |
Correct |
10 ms |
364 KB |
Output is correct |
| 18 |
Correct |
12 ms |
364 KB |
Output is correct |
| 19 |
Correct |
16 ms |
492 KB |
Output is correct |
| 20 |
Correct |
10 ms |
376 KB |
Output is correct |
| 21 |
Correct |
8 ms |
376 KB |
Output is correct |
| 22 |
Correct |
14 ms |
364 KB |
Output is correct |
| 23 |
Correct |
8 ms |
364 KB |
Output is correct |
| 24 |
Correct |
14 ms |
364 KB |
Output is correct |
| 25 |
Correct |
15 ms |
364 KB |
Output is correct |
| 26 |
Correct |
14 ms |
364 KB |
Output is correct |
| 27 |
Correct |
17 ms |
364 KB |
Output is correct |
| 28 |
Correct |
14 ms |
364 KB |
Output is correct |
| 29 |
Correct |
13 ms |
364 KB |
Output is correct |
| 30 |
Correct |
13 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
2 ms |
364 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
364 KB |
Output is correct |
| 7 |
Correct |
3 ms |
364 KB |
Output is correct |
| 8 |
Correct |
2 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
364 KB |
Output is correct |
| 11 |
Correct |
2 ms |
364 KB |
Output is correct |
| 12 |
Correct |
2 ms |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
364 KB |
Output is correct |
| 14 |
Correct |
2 ms |
364 KB |
Output is correct |
| 15 |
Correct |
2 ms |
364 KB |
Output is correct |
| 16 |
Correct |
4 ms |
364 KB |
Output is correct |
| 17 |
Correct |
10 ms |
364 KB |
Output is correct |
| 18 |
Correct |
12 ms |
364 KB |
Output is correct |
| 19 |
Correct |
16 ms |
492 KB |
Output is correct |
| 20 |
Correct |
10 ms |
376 KB |
Output is correct |
| 21 |
Correct |
8 ms |
376 KB |
Output is correct |
| 22 |
Correct |
14 ms |
364 KB |
Output is correct |
| 23 |
Correct |
8 ms |
364 KB |
Output is correct |
| 24 |
Correct |
14 ms |
364 KB |
Output is correct |
| 25 |
Correct |
15 ms |
364 KB |
Output is correct |
| 26 |
Correct |
14 ms |
364 KB |
Output is correct |
| 27 |
Correct |
17 ms |
364 KB |
Output is correct |
| 28 |
Correct |
14 ms |
364 KB |
Output is correct |
| 29 |
Correct |
13 ms |
364 KB |
Output is correct |
| 30 |
Correct |
13 ms |
364 KB |
Output is correct |
| 31 |
Correct |
31 ms |
492 KB |
Output is correct |
| 32 |
Correct |
43 ms |
492 KB |
Output is correct |
| 33 |
Correct |
57 ms |
620 KB |
Output is correct |
| 34 |
Correct |
62 ms |
620 KB |
Output is correct |
| 35 |
Correct |
68 ms |
748 KB |
Output is correct |
| 36 |
Correct |
61 ms |
620 KB |
Output is correct |
| 37 |
Correct |
57 ms |
768 KB |
Output is correct |
| 38 |
Correct |
82 ms |
620 KB |
Output is correct |
| 39 |
Correct |
109 ms |
632 KB |
Output is correct |
| 40 |
Correct |
95 ms |
620 KB |
Output is correct |
| 41 |
Correct |
96 ms |
620 KB |
Output is correct |
| 42 |
Correct |
55 ms |
748 KB |
Output is correct |
| 43 |
Correct |
48 ms |
748 KB |
Output is correct |
| 44 |
Correct |
67 ms |
620 KB |
Output is correct |
| 45 |
Correct |
124 ms |
620 KB |
Output is correct |
| 46 |
Correct |
81 ms |
620 KB |
Output is correct |
| 47 |
Correct |
49 ms |
632 KB |
Output is correct |
| 48 |
Correct |
70 ms |
620 KB |
Output is correct |
| 49 |
Correct |
105 ms |
748 KB |
Output is correct |
| 50 |
Correct |
67 ms |
748 KB |
Output is correct |
| 51 |
Correct |
64 ms |
748 KB |
Output is correct |
| 52 |
Correct |
93 ms |
748 KB |
Output is correct |
| 53 |
Correct |
79 ms |
748 KB |
Output is correct |
| 54 |
Correct |
66 ms |
748 KB |
Output is correct |
| 55 |
Correct |
48 ms |
748 KB |
Output is correct |
| 56 |
Correct |
66 ms |
632 KB |
Output is correct |
| 57 |
Correct |
88 ms |
632 KB |
Output is correct |
| 58 |
Correct |
89 ms |
748 KB |
Output is correct |
| 59 |
Correct |
73 ms |
620 KB |
Output is correct |
| 60 |
Correct |
70 ms |
620 KB |
Output is correct |
