#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
typedef long long ll;
int N, A[1000007], Q;
ll dat[17][1007], mask[1007];
// int Secret(int a, int b) {
// return a + b;
// }
void divi(ll l, ll r, ll lev) {
if (l == r) return;
ll mid = (l + r) / 2;
dat[lev][mid] = A[mid];
for(int i = mid - 1; i >= l; --i) {
dat[lev][i] = Secret(A[i], dat[lev][i + 1]);
}
dat[lev][mid + 1] = A[mid + 1];
for(int i = mid + 2; i <= r; ++i) {
dat[lev][i] = Secret(dat[lev][i - 1], A[i]);
}
for(int i = mid + 1; i <= r; ++i) mask[i] ^= (1 << lev);
divi(l, mid, lev + 1);
divi(mid + 1, r, lev + 1);
}
void Init(int& N, int A[]) {
cin >> N;
for(int i = 1; i <= N; ++i) cin >> A[i];
divi(1, N, 0);
}
int Query(int l, int r) {
l++;
r++;
if (l == r) return A[l];
int bits = __builtin_ctz(mask[l] ^ mask[r]);
return Secret(dat[bits][l], dat[bits][r]);
}
Compilation message
/usr/bin/ld: /tmp/cclnE9FN.o: in function `main':
grader.cpp:(.text.startup+0x2a8): undefined reference to `Init(int, int*)'
collect2: error: ld returned 1 exit status
