#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 1 << 10;
int n;
int L[N][12], R[N][12];
void Init(int _n, int A[]) {
n = _n;
function<void(int, int, int)> build = [&](int lvl, int l, int r) {
if(l == r) return void(L[l][lvl] = R[l][lvl] = A[l]);
int mid = (l + r) >> 1;
L[mid][lvl] = A[mid], R[mid + 1][lvl] = A[mid + 1];
for(int i = mid - 1; i >= l; i--) L[i][lvl] = Secret(A[i], L[i + 1][lvl]);
for(int i = mid + 2; i <= r; i++) R[i][lvl] = Secret(R[i - 1][lvl], A[i]);
build(lvl + 1, l, mid), build(lvl + 1, mid + 1, r);
};
build(0, 0, n - 1);
}
int Query(int x, int y) {
function<int(int, int, int)> query = [&](int lvl, int l, int r) {
if(l == r) return L[l][lvl];
int mid = (l + r) >> 1;
if(x <= mid && mid + 1 <= y) return Secret(L[x][lvl], R[y][lvl]);
if(y <= mid) return query(lvl + 1, l, mid);
return query(lvl + 1, mid + 1, r);
};
return query(0, 0, n - 1);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
150 ms |
2552 KB |
Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1 |
2 |
Correct |
146 ms |
2552 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
3 |
Correct |
150 ms |
2556 KB |
Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1 |
4 |
Correct |
504 ms |
4460 KB |
Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1 |
5 |
Correct |
502 ms |
4472 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
6 |
Correct |
509 ms |
4652 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
7 |
Correct |
509 ms |
4728 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
8 |
Correct |
512 ms |
4472 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
9 |
Correct |
510 ms |
4568 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
10 |
Correct |
504 ms |
4476 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |