#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
int n,B[1006],ans[1006][1006];
void _init(int s,int e)
{
int m=(s+e)/2;
if(s==e){
D[m][m]=B[m];
return;
}
D[m][m]=B[m];
ans[m+1][m+1]=B[m+1];
for(int i=m-1;i>=s;i--) ans[i][m]=Secret(ans[i+1][m],B[i]);
for(int i=m+2;i<=e;i++) ans[m+1][i]=Secret(ans[m+1][i-1],B[i]);
_init(s,m);
_init(m+1,e);
}
void Init(int N, int A[]) {
n=N;
for(int i=0; i<n; i++) B[i]=A[i];
_init(0,n-1);
}
int solve(int l,int r,int s,int e)
{
int m=(s+e)/2;
if(l<=m && m+1<=r) return Secret(ans[l][m],ans[m+1][r]);
if(r<=m) return solve(l,r,s,m);
else return solve(l,r,m+1,e);
}
int Query(int l, int r) {
if(l==r) return B[r];
return solve(l,r,0,n-1);
}
Compilation message
secret.cpp: In function 'void _init(int, int)':
secret.cpp:9:9: error: 'D' was not declared in this scope
D[m][m]=B[m];
^
secret.cpp:12:5: error: 'D' was not declared in this scope
D[m][m]=B[m];
^
