#include<bits/stdc++.h>
#include "secret.h"
using namespace std;
class SparseTable {
private:
vector<vector<long long>> table;
vector<long long> arr;
long long sze;
long long logSze;
void build(long long depth, long long left, long long right) {
if (left == right) {
return;
} else {
long long mid = (left + right) / 2;
table[depth][mid] = arr[mid];
for (long long i = mid - 1; i >= left; i--) {
table[depth][i] = Secret(table[depth][i + 1], arr[i]);
}
table[depth][mid + 1] = arr[mid + 1];
for (long long i = mid + 2; i <= right; i++) {
table[depth][i] = Secret(table[depth][i - 1], arr[i]);
}
build(depth + 1, left, mid);
build(depth + 1, mid + 1, right);
}
}
long long privQuery(long long depth, long long queryLeft, long long queryRight, long long posLeft, long long posRight) {
if (queryLeft > posRight || queryRight <= posLeft) {
return 0;
}
long long mid = (posLeft + posRight) / 2;
if (queryRight == mid) {
return table[depth][queryLeft];
} else if (queryLeft == mid + 1) {
return table[depth][queryRight];
} else {
if (queryLeft <= mid && queryRight >= mid + 1) {
return Secret(table[depth][queryLeft], table[depth][queryRight]);
} else {
if (queryLeft >= mid + 1) {
return privQuery(depth + 1, queryLeft, queryRight, mid + 1, posRight);
} else {
return privQuery(depth + 1, queryLeft, queryRight, posLeft, mid);
}
}
}
}
public:
SparseTable(vector<long long>& vect) {
sze = vect.size();
logSze = ceil(log2(sze)) + 1;
arr.resize(sze);
for (long long i = 0; i < (long long)vect.size(); i++) {
arr[i] = vect[i];
}
table.resize(logSze, vector<long long>(sze, 0)); // Initialize the table with 0s
build(0, 0, sze - 1);
}
long long query(long long left, long long right) {
return privQuery(0, left, right, 0, sze - 1);
}
};
SparseTable* temp;
vector<long long> array2;
void Init(long long N, long long A[]) {
vector<long long> vect(N);
array2.resize(vect.size());
for (long long i = 0; i < N; i++) {
vect[i] = A[i];
array2[i] = A[i];
}
temp = new SparseTable(vect);
}
long long Query(long long L, long long R) {
if (L == R) return array2[L];
return temp->query(L, R);
}
Compilation message
/usr/bin/ld: /tmp/ccn3uOjW.o: in function `main':
grader-full.cpp:(.text.startup+0x2a8): undefined reference to `Init(int, int*)'
/usr/bin/ld: grader-full.cpp:(.text.startup+0x30b): undefined reference to `Query(int, int)'
collect2: error: ld returned 1 exit status
