#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#include "secret.h"
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define pb push_back
#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)
#define cont(x) {for(auto el:x) cout<<el<<' ';cout<<endl;}
#define contp(x) {for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;}
#define sp <<" "<<
//#define mid (l+r)/2
#define endl '\n'
#define DEBUG(X) {cout<<#X<<' '<<(X)<<endl;}
#define carp(x,y) ((x%MOD)*(y%MOD))%MOD
#define topla(x,y) ((x%MOD)+(y%MOD))%MOD
typedef vector<int> vi;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<bool> vb;
const int MAXN=1e3+5;
const int MAXK=20;
vi a;
int n;
int tut[MAXK][MAXN];
int mask[MAXN];
void dq(int l,int r){
if(l>=r) return;
int mid=(l+r)/2;
tut[mid][mid]=a[mid];
tut[mid+1][mid+1]=a[mid+1];
for(int i=mid-1;i>=l;i--){
tut[mid][i]=Secret(tut[lev][i+1],a[i]);
}
for(int i=mid+2;i<=r;i++){
tut[mid+1][i]=Secret(tut[lev][i-1],a[i]);
}
dq(l,mid);
dq(mid+1,r);
}
void Init(int N, int A[]) {
n=N;
a.resize(N+1);
FOR(i,N) a[i+1]=A[i];
dq(1,N);
}
int Query(int l, int r) {
int bas=1;
int son=n;
while(bas!=son){
int mid=(bas+son)/2;
if(l<=mid and mid<r) return Secret(tut[mid][l],tut[mid+1][r]);
else if(mid==r) return tut[mid][l];
else if(mid<l) bas=mid+1;
else son=mid;
}
return tut[l][l];
}
Compilation message
secret.cpp: In function 'void dq(int, int)':
secret.cpp:52:32: error: 'lev' was not declared in this scope
52 | tut[mid][i]=Secret(tut[lev][i+1],a[i]);
| ^~~
secret.cpp:55:34: error: 'lev' was not declared in this scope
55 | tut[mid+1][i]=Secret(tut[lev][i-1],a[i]);
| ^~~
