#include<bits/stdc++.h>
#include "popa.h"
using namespace std;
static int nxt[2018];
int solve (int l, int r, int *Left, int *Right)
{
if (l > r) return -1;
if (l == r)
return l;
if (r == l + 1)
{
if (query (l, l, l, r))
{
Right[l] = r;
return l;
}
Left[r] = l;
return r;
}
int pos = l;
while (nxt[pos] <= r)
pos = nxt[pos];
int ras = pos;
Left[ras] = solve (l, ras - 1, Left, Right);
Right[ras] = solve (ras + 1, r, Left, Right);
return ras;
}
int solve (int nn, int* Left, int* Right)
{
int N = nn;
for (int i=0; i<N; i++)
Left[i] = Right[i] = -1;
for (int i=0; i<N; i++)
{
nxt[i] = N;
for (int j=i + 1; j<N; j++)
if (query (i, i, i, j) == 0)
{
nxt[i] = j;
break;
}
}
int root = solve (0, N - 1, Left, Right);
return root;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
376 KB |
Output is correct |
2 |
Correct |
120 ms |
440 KB |
Output is correct |
3 |
Correct |
27 ms |
440 KB |
Output is correct |
4 |
Correct |
105 ms |
484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
250 ms |
532 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
28 ms |
532 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |