#include "secret.h"
#include <bits/stdc++.h>
#define fast ios::sync_with_stdio(0); cin.tie(NULL);cout.tie(NULL)
#define sz(x) (int)((x).size())
#define pb push_back
#define vi vector<int>
#define vb vector<bool>
#define vvb vector<vb>
#define pi pair<int,int>
#define vpi vector<pi>
#define vvi vector<vi>
#define vc vector<char>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pbb() pop_back()
#define f first
#define s second
#define ll long long
//#define int long long
#define ull unsigned long long
#define line cout<<"_____________________________"<<endl;
#define hash cout<<"################"<<endl;
#define forr(i, a, b) for(int i=a; i<b; i++)
using namespace std;
const int N=1e5+1, mod=1e9+7, inf=1e18+1;
vvi ldp, rdp;
int n;
void populate(int l, int r)
{
if(l>=r) return;
int m= (l+r)/2;
for(int i=m+1; i<=r; i++) rdp[m][i]= Secret(rdp[m][i-1],a[i]);
for(int i=m-1; i>=l; i--) ldp[m][i]= Secret(ldp[m][i+1],a[i]);
populate(l, m);
populate(m+1, r);
}
void Init(int m, int A[])
{
n=m;
ldp.resize(n, vi(n));
rdp.resize(n, vi(n));
a.resize(n);
forr(i, 0, n) ldp[i][i]=rdp[i][i]=A[i];
populate(0, n-1);
}
int query(int lx, int rx, int l, int r)
{
int mx=(lx+rx)/2;
if(r<mx) return query(lx, mx, l, r);
if(mx<l) return query(mx, rx, l, r);
return Secret(ldp[mx][l], rdp[mx][r]);
}
int Query(int l, int r)
{
return query(0, n-1, l, r);
}
Compilation message
secret.cpp:25:39: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
25 | const int N=1e5+1, mod=1e9+7, inf=1e18+1;
| ~~~~^~
secret.cpp: In function 'void populate(int, int)':
secret.cpp:32:61: error: 'a' was not declared in this scope
32 | for(int i=m+1; i<=r; i++) rdp[m][i]= Secret(rdp[m][i-1],a[i]);
| ^
secret.cpp:33:61: error: 'a' was not declared in this scope
33 | for(int i=m-1; i>=l; i--) ldp[m][i]= Secret(ldp[m][i+1],a[i]);
| ^
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:42:5: error: 'a' was not declared in this scope
42 | a.resize(n);
| ^