#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define forn(i,n) for(int i=0;i<n;i++)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define sz(a) (int)a.size()
const int N = 1000;
int val[N][N], n, mm[N][N];
vector<int> a;
/*
int Secret(int l, int r) {
return 69;
}
*/
void build(int l, int r) {
if(l >= r) return;
int mid = l + r >> 1;
for(int i = l + 1; i <= mid; ++i) {
val[l][i] = Secret(val[l][i - 1], val[i][i]);
}
for(int i = mid + 2; i <= r; ++i) {
val[mid + 1][i] = Secret(val[mid + 1][i - 1], val[i][i]);
}
for(int i = l; i <= mid; ++i) {
for(int j = mid + 1; j <= r; ++j) {
mm[i][j] = mid;
}
}
build(l, mid);
build(mid + 1, r);
}
void Init(int _n, vector<int> _a) {
n = _n, a = _a;
forn(i, N) forn(j, N) val[i][j] = -1;
forn(i, n) val[i][i] = a[i];
build(0, n - 1);
}
int Query(int l, int r) {
if(val[l][r] != -1) return val[l][r];
int mid = mm[l][r];
return Secret(val[l][mid], val[mid + 1][r]);
}
/*
void solve() {
}
int32_t main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t = 1;
//cin >> t;
while(t--) {
solve();
}
}
*/
Compilation message
secret.cpp: In function 'void build(int, int)':
secret.cpp:24:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
24 | int mid = l + r >> 1;
| ~~^~~
secret.cpp:27:21: error: 'Secret' was not declared in this scope
27 | val[l][i] = Secret(val[l][i - 1], val[i][i]);
| ^~~~~~
secret.cpp:30:27: error: 'Secret' was not declared in this scope
30 | val[mid + 1][i] = Secret(val[mid + 1][i - 1], val[i][i]);
| ^~~~~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:52:12: error: 'Secret' was not declared in this scope
52 | return Secret(val[l][mid], val[mid + 1][r]);
| ^~~~~~
