#include <bits/stdc++.h>
#include "xylophone.h"
#define pb push_back
using namespace std;
bool f[5005];
int n, a[5005];
void slv(int x) {
if (x == 1) return ;
a[x - 1] = 1 + query(x - 1, x);
for (int i = x - 2; i >= 1; --i) {
int v2 = query(i, i + 1);
int ps1 = a[i + 1] + v2;
int ps2 = a[i + 1] - v2;
int mx = max(a[i + 1], a[i + 2]);
int mn = min(a[i + 1], a[i + 2]);
if (ps1 > n || f[ps1]) a[i] = ps2, f[ps2] = true;
else
if (ps2 < 1 || f[ps2]) a[i] = ps1, f[ps1] = true;
else {
int v3 = query(i, i + 2);
if (max(mx, ps1) - min(mn, ps1) == v3) a[i] = ps1;
else
if (max(mx, ps2) - min(mn, ps2) == v3) a[i] = ps2;
}
}
}
void srv(int x) {
a[x + 1] = 1 + query(x, x + 1);
for (int i = x + 2; i <= n; ++i) {
int v2 = query(i - 1, i);
int ps1 = a[i - 1] + v2;
int ps2 = a[i - 1] - v2;
int mx = max(a[i - 1], a[i - 2]);
int mn = min(a[i - 1], a[i - 2]);
if (ps1 > n || f[ps1]) a[i] = ps2, f[ps2] = true;
else
if (ps2 < 1 || f[ps2]) a[i] = ps1, f[ps1] = true;
else {
int v3 = query(i - 2, i);
if (max(mx, ps1) - min(mn, ps1) == v3) a[i] = ps1;
else
if (max(mx, ps2) - min(mn, ps2) == v3) a[i] = ps2;
}
}
}
void solve(int N) {
n = N;
int l = 1, r = n - 1, mid, res = -1;
while (l <= r) {
int mid = ((l + r) >> 1);
if (query(mid, n) == n - 1) {
l = mid + 1, res = mid;
}
else {
r = mid - 1;
}
}
f[1] = a[res] = 1, slv(res), srv(res);
for(int i = 1; i <= n; i++) {
answer(i, a[i]);
}
}
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:64:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
64 | f[1] = a[res] = 1, slv(res), srv(res);
| ~~~~~~~^~~
xylophone.cpp:53:24: warning: unused variable 'mid' [-Wunused-variable]
53 | int l = 1, r = n - 1, mid, res = -1;
| ^~~
| # |
결과 |
실행 시간 |
메모리 |
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 |
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 |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
3 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 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 |
| # |
결과 |
실행 시간 |
메모리 |
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 |
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 |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
3 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 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 |
208 KB |
Output is correct |
| 17 |
Correct |
7 ms |
208 KB |
Output is correct |
| 18 |
Correct |
11 ms |
208 KB |
Output is correct |
| 19 |
Correct |
15 ms |
308 KB |
Output is correct |
| 20 |
Correct |
17 ms |
208 KB |
Output is correct |
| 21 |
Correct |
9 ms |
300 KB |
Output is correct |
| 22 |
Correct |
14 ms |
308 KB |
Output is correct |
| 23 |
Correct |
9 ms |
308 KB |
Output is correct |
| 24 |
Correct |
10 ms |
208 KB |
Output is correct |
| 25 |
Correct |
11 ms |
208 KB |
Output is correct |
| 26 |
Correct |
13 ms |
300 KB |
Output is correct |
| 27 |
Correct |
15 ms |
208 KB |
Output is correct |
| 28 |
Correct |
11 ms |
208 KB |
Output is correct |
| 29 |
Correct |
10 ms |
296 KB |
Output is correct |
| 30 |
Correct |
11 ms |
304 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
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 |
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 |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
208 KB |
Output is correct |
| 9 |
Correct |
3 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 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 |
208 KB |
Output is correct |
| 17 |
Correct |
7 ms |
208 KB |
Output is correct |
| 18 |
Correct |
11 ms |
208 KB |
Output is correct |
| 19 |
Correct |
15 ms |
308 KB |
Output is correct |
| 20 |
Correct |
17 ms |
208 KB |
Output is correct |
| 21 |
Correct |
9 ms |
300 KB |
Output is correct |
| 22 |
Correct |
14 ms |
308 KB |
Output is correct |
| 23 |
Correct |
9 ms |
308 KB |
Output is correct |
| 24 |
Correct |
10 ms |
208 KB |
Output is correct |
| 25 |
Correct |
11 ms |
208 KB |
Output is correct |
| 26 |
Correct |
13 ms |
300 KB |
Output is correct |
| 27 |
Correct |
15 ms |
208 KB |
Output is correct |
| 28 |
Correct |
11 ms |
208 KB |
Output is correct |
| 29 |
Correct |
10 ms |
296 KB |
Output is correct |
| 30 |
Correct |
11 ms |
304 KB |
Output is correct |
| 31 |
Correct |
27 ms |
296 KB |
Output is correct |
| 32 |
Correct |
41 ms |
296 KB |
Output is correct |
| 33 |
Correct |
47 ms |
428 KB |
Output is correct |
| 34 |
Correct |
49 ms |
316 KB |
Output is correct |
| 35 |
Correct |
55 ms |
476 KB |
Output is correct |
| 36 |
Correct |
70 ms |
304 KB |
Output is correct |
| 37 |
Correct |
57 ms |
300 KB |
Output is correct |
| 38 |
Correct |
45 ms |
292 KB |
Output is correct |
| 39 |
Correct |
58 ms |
304 KB |
Output is correct |
| 40 |
Correct |
38 ms |
332 KB |
Output is correct |
| 41 |
Correct |
65 ms |
300 KB |
Output is correct |
| 42 |
Correct |
65 ms |
308 KB |
Output is correct |
| 43 |
Correct |
39 ms |
292 KB |
Output is correct |
| 44 |
Correct |
46 ms |
304 KB |
Output is correct |
| 45 |
Correct |
73 ms |
300 KB |
Output is correct |
| 46 |
Correct |
96 ms |
304 KB |
Output is correct |
| 47 |
Correct |
66 ms |
416 KB |
Output is correct |
| 48 |
Correct |
65 ms |
328 KB |
Output is correct |
| 49 |
Correct |
48 ms |
420 KB |
Output is correct |
| 50 |
Correct |
70 ms |
304 KB |
Output is correct |
| 51 |
Correct |
52 ms |
328 KB |
Output is correct |
| 52 |
Correct |
55 ms |
308 KB |
Output is correct |
| 53 |
Correct |
75 ms |
328 KB |
Output is correct |
| 54 |
Correct |
67 ms |
308 KB |
Output is correct |
| 55 |
Correct |
55 ms |
296 KB |
Output is correct |
| 56 |
Correct |
62 ms |
304 KB |
Output is correct |
| 57 |
Correct |
70 ms |
300 KB |
Output is correct |
| 58 |
Correct |
51 ms |
312 KB |
Output is correct |
| 59 |
Correct |
60 ms |
304 KB |
Output is correct |
| 60 |
Correct |
60 ms |
424 KB |
Output is correct |
