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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <cmath> // Added this line
using namespace std;
int get_min(vector<int> &array, int start, int end) {
return *min_element(array.begin() + start, array.begin() + end + 1);
}
void build_sparse_table(vector<int> &array, vector<vector<int>> &sparse_table, int n) {
for (int i = 0; i < n; i++) {
sparse_table[i][0] = array[i];
}
for (int j = 1; (1 << j) <= n; j++) {
for (int i = 0; i + (1 << j) <= n; i++) {
sparse_table[i][j] = min(sparse_table[i][j - 1], sparse_table[i + (1 << (j - 1))][j - 1]);
}
}
}
int query(vector<vector<int>> &sparse_table, int n, int x, int y) {
int k = (int)floor(log2(y - x + 1));
return min(sparse_table[x][k], sparse_table[y - (1 << k) + 1][k]);
}
int main() {
ifstream in("rmq.in");
ofstream out("rmq.out");
int n, m;
in >> n >> m;
vector<int> array(n);
for (int i = 0; i < n; i++) {
in >> array[i];
}
// Preprocess: Build sparse table
int log_n = (int)floor(log2(n));
vector<vector<int>> sparse_table(n, vector<int>(log_n + 1));
build_sparse_table(array, sparse_table, n);
// Answer queries
for (int i = 0; i < m; i++) {
int x, y;
in >> x >> y;
x--; // Adjust for 0-based indexing
y--;
int min_value = query(sparse_table, n, x, y);
out << min_value << endl;
}
in.close();
out.close();
return 0;
}