#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
const int kN = 1e3;
const int kLog = 20;
int n, a[kN], dp[kN][kLog];
void solve(int l, int r, int level) {
if (l == r) {
return;
}
int mid = (l + r) / 2;
dp[mid][level] = a[mid];
dp[mid + 1][level] = a[mid + 1];
for (int i = mid - 1; i >= l; --i) {
dp[i][level] = Secret(dp[i + 1][level], a[i]);
}
for (int i = mid + 2; i <= r; ++i) {
dp[i][level] = Secret(dp[i - 1][level], a[i]);
}
solve(l, mid, level + 1);
solve(mid + 1, r, level + 1);
}
void Init(int N, int A[]) {
n = N;
for (int i = 0; i < n; ++i) {
a[i] = A[i];
}
solve(0, n - 1, 0);
}
int Query(int l, int r) {
if (l == r) {
return a[l];
}
int st = 0, dr = n - 1, level = 0;
while (st <= dr) {
int mid = (st + dr) / 2;
if (l <= mid && mid < r) {
return Secret(dp[l][level], dp[r][level]);
}
if (mid < l) {
st = mid + 1;
} else {
dr = mid;
}
level += 1;
}
}
Compilation message
secret.cpp: In function 'int Query(int, int)':
secret.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type]
52 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
131 ms |
2496 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015. |
2 |
Incorrect |
119 ms |
2404 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560. |
3 |
Incorrect |
121 ms |
2512 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500. |
4 |
Incorrect |
457 ms |
4436 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568. |
5 |
Incorrect |
449 ms |
4424 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316. |
6 |
Incorrect |
447 ms |
4512 KB |
Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445. |
7 |
Incorrect |
464 ms |
4384 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873. |
8 |
Incorrect |
433 ms |
4448 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792. |
9 |
Incorrect |
449 ms |
4392 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577. |
10 |
Incorrect |
457 ms |
4324 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787. |