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#include <fstream>
#define LOG 17
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n, v[100005], q, m[100005][LOG];
int query(int x, int y) { // O(1)
int len = y - x + 1;
int k = 31 - __builtin_clz(len);
// x = start, y - 2^k + 1 = final;
return min(m[x][k], m[y - (1 << k) + 1][k]);
}
int main() {
fin >> n >> q;
/// LOG = ceil(log2(n)), care e 17 pt n = 100000
for(int i = 0; i < n; i++) {
fin >> v[i];
// primul min
m[i][0] = v[i];
}
// preprocesare - O(n*log(n))
for(int k = 1; k < LOG; k++) {
for(int i = 0; i + (1 << k) - 1 < n; i++) { // i + 2^k - 1 < n
m[i][k] = min(m[i][k - 1], m[i + (1 << (k - 1) ) ][k - 1]);
}
}
// queries
for(int i = 1; i <= q; i++) {
int x, y;
fin >> x >> y;
fout << query(x - 1, y - 1) << "\n";
}
fin.close();
fout.close();
return 0;
}