#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1000;
int ans[MAX_N][MAX_N];
void PreCompute(int left, int right) {
int mid = (left + right) >> 1;
if(right - left <= 2)
return;
for(int i = mid - 2; i >= left; i--) {
ans[i][mid - 1] = Secret(ans[i][i], ans[i + 1][mid - 1]);
}
for(int i = mid + 1; i < right; i++) {
ans[mid][i] = Secret(ans[mid][i - 1], ans[i][i]);
}
PreCompute(left, mid);
PreCompute(mid, right);
}
void Init(int n, int A[]) {
N = n;
for(int i = 0; i < N; i++) {
for(int j = 0; j < N; j++) {
ans[i][j] = (i == j) ? A[i] : -1;
}
}
PreCompute(0, N);
}
int Compute(int left, int right, int ql, int qr) {
int mid = (left + right) >> 1;
if(ql >= mid) {
return Compute(mid, right, ql, qr);
}
else if(qr < mid) {
return Compute(left, mid, ql, qr);
}
return Secret(ans[ql][mid - 1], ans[mid][qr]);
}
int Query(int L, int R) {
if(L == R)
return ans[L][L];
if(L == R - 1)
return Secret(ans[L][L], ans[R][R]);
return Compute(0, N, L, R);
}
Compilation message
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:24:5: error: 'N' was not declared in this scope
24 | N = n;
| ^
secret.cpp: In function 'int Query(int, int)':
secret.cpp:49:23: error: 'N' was not declared in this scope
49 | return Compute(0, N, L, R);
| ^
