#include "secret.h"
#include <bits/stdc++.h>
#define MAXN 1007
using namespace std;
int val[MAXN][MAXN],a[MAXN],n;
void rek(int l,int r)
{
int s=(l+r)/2;
for(int i=s-1;i>=l;i--) val[i][s]=Secret(a[i],val[i+1][s]);
for(int i=s+2;i<=r;i++) val[s+1][i]=Secret(val[s+1][i-1],a[i]);
if(l+1==r) return;
rek(l,s);
rek(s+1,r);
}
void Init(int N, int A[])
{
n=N;
for(int i=0;i<n;i++) val[i][i]=a[i]=A[i];
rek(0,n-1);
}
int ans(int l,int r,int lt,int rt)
{
if(l==r) return v[l][r];
int s=(l+r)/2;
if(lt<=s && rt>s) return Secret(val[lt][s],val[s+1][rt]);
if(rt<=s) return ans(l,s,lt,rt);
return ans(s+1,r,lt,rt);
}
int Query(int L, int R) {return ans(0,n-1,L,R);}
Compilation message
secret.cpp: In function 'int ans(int, int, int, int)':
secret.cpp:24:18: error: 'v' was not declared in this scope
if(l==r) return v[l][r];
^
