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#include <fstream>
using namespace std;
const int MAXN = 1e5 + 3, LOG = 17;
int N, M, rmq[LOG][MAXN];
inline int minim(int a, int b)
{
return a < b ? a : b;
}
inline int query(int st, int dr)
{
int log = 31 - __builtin_clz(dr - st + 1);
return minim( rmq[log][st], rmq[log][dr - (1 << log) + 1] );
}
int main()
{
ifstream fin("rmq.in");
ofstream fout("rmq.out");
fin >> N >> M;
for (int i = 1; i <= N; ++i)
fin >> rmq[0][i];
int log = 31 - __builtin_clz(N);
for (int i = 1; i <= log; ++i)
for (int j = 1; j <= N; ++j)
rmq[i][j] = minim( rmq[i-1][j], rmq[i-1][j + (1 << (i-1) )] );
while ( M-- )
{
int x, y;
fin >> x >> y;
fout << query(x, y) << '\n';
}
fin.close();
fout.close();
return 0;
}