// #define LOCAL
#ifndef LOCAL
#include "popa.h"
#endif
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
int ARR[100], LEFT[100], RIGHT[100];
int f_gcd(int a, int b) {
int g = 0;
for (int i = a; i <= b; i++)
g = __gcd(g, ARR[i]);
return g;
}
int query(int a, int b, int c, int d) {
return f_gcd(a, b) == f_gcd(c, d);
}
#endif
int rec(int l, int r, int* left, int* right) {
if (l >= r)
return -1;
if (l + 1 == r)
return l;
int root = -1;
for (int i = l; i < r; i++) {
if (query(l, r - 1, i, i)) {
root = i;
break;
}
}
assert(root >= l && root < r);
int l_c = rec(l, root, left, right);
int r_c = rec(root + 1, r, left, right);
left[root] = l_c, right[root] = r_c;
return root;
}
int solve(int n, int* left, int* right) {
fill(left, left + n, -1), fill(right, right + n, -1);
return rec(0, n, left, right);
}
#ifdef LOCAL
int main() {
int n;
cin >> n;
for (int i = 0; i < n; i++) cin >> ARR[i];
solve(n, LEFT, RIGHT);
for (int i = 0; i < n; i++)
cout << LEFT[i] << " ";
cout << "\n";
for (int i = 0; i < n; i++)
cout << RIGHT[i] << " ";
cout << "\n";
return 0;
}
#endif
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
280 KB |
Output is correct |
2 |
Correct |
98 ms |
300 KB |
Output is correct |
3 |
Correct |
16 ms |
208 KB |
Output is correct |
4 |
Correct |
75 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
345 ms |
312 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
19 ms |
208 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |