#include "xylophone.h"
int q[5005][5005], a[5005];
void solve(int n) {
for (int i = 1; i <= n-1; ++i) q[i][i+1] = q[i+1][i] = query(i, i+1);
for (int i = 1; i <= n-2; ++i) q[i][i+2] = q[i+2][i] = query(i, i+2);
int pos = 1;
for (int i = 1<<12; i > 0; i >>= 1) {
if (pos + i > n) break;
if (query(pos + i, n) == n - 1) pos += i;
}
a[pos] = 1;
if (pos < n) a[pos+1] = q[pos][pos+1] + 1;
if (pos > 1) a[pos-1] = q[pos][pos-1] + 1;
for (int i = pos + 2; i <= n; ++i) {
if (q[i-2][i-1] + q[i-1][i] == q[i-2][i]) {
if (a[i-2] > a[i-1]) a[i] = a[i-1] - q[i-1][i];
else a[i] = a[i-1] + q[i-1][i];
} else {
if (a[i-2] > a[i-1]) a[i] = a[i-1] + q[i-1][i];
else a[i] = a[i-1] - q[i-1][i];
}
}
for (int i = pos - 2; i >= 1; --i) {
if (q[i][i+1] + q[i+1][i+2] == q[i][i+2]) {
if (a[i+1] < a[i+2]) a[i] = a[i+1] - q[i][i+1];
else a[i] = a[i+1] + q[i][i+1];
} else {
if (a[i+1] < a[i+2]) a[i] = a[i+1] + q[i][i+1];
else a[i] = a[i+1] - q[i][i+1];
}
}
for (int i = 1; i <= n; ++i) answer(i, a[i]);
}
# |
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 |
Incorrect |
1 ms |
336 KB |
Wrong Answer [7] |
4 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
1 ms |
336 KB |
Wrong Answer [7] |
4 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
Incorrect |
1 ms |
336 KB |
Wrong Answer [7] |
4 |
Halted |
0 ms |
0 KB |
- |