#include "secret.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#include <stdio.h>
#include <stdlib.h>
int tab[10][mxn + 1], mask[mxn + 1];
vt<int>v;
void build(int l, int r, int lev){
if(l == r)return;
int mid = (l + r) >> 1;
tab[lev][mid] = v[mid];
for(int i = mid - 1; i >= l; i--){
tab[lev][i] = Secret(tab[lev][i + 1], v[i]);
}
tab[lev][mid + 1] = v[mid + 1];
for(int i = mid + 2; i <= r; i++){
tab[lev][i] = Secret(tab[lev][i - 1], v[i]);
}
for(int i = mid + 1; i <= r; i++)mask[i] ^= (1 << lev);
build(l, mid, lev + 1); build(mid + 1, r, lev + 1);
}
void Init(int n, int a[]){
for(int i = 0; i < n; i++)v.pb(a[i]);
build(0, n - 1, 0);
}
int Query(int l, int r){
if(l == r)return(v[l]);
int level = __builtin_ctz(mask[l] ^ mask[r]);
return(Secret(tab[level][l], tab[level][r]));
}
Compilation message
secret.cpp:17:13: error: 'mxn' was not declared in this scope
17 | int tab[10][mxn + 1], mask[mxn + 1];
| ^~~
secret.cpp:17:28: error: 'mxn' was not declared in this scope
17 | int tab[10][mxn + 1], mask[mxn + 1];
| ^~~
secret.cpp: In function 'void build(int, int, int)':
secret.cpp:22:5: error: 'tab' was not declared in this scope; did you mean 'tan'?
22 | tab[lev][mid] = v[mid];
| ^~~
| tan
secret.cpp:30:38: error: 'mask' was not declared in this scope
30 | for(int i = mid + 1; i <= r; i++)mask[i] ^= (1 << lev);
| ^~~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:41:31: error: 'mask' was not declared in this scope
41 | int level = __builtin_ctz(mask[l] ^ mask[r]);
| ^~~~
secret.cpp:42:19: error: 'tab' was not declared in this scope; did you mean 'tan'?
42 | return(Secret(tab[level][l], tab[level][r]));
| ^~~
| tan
