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#include <bits/stdc++.h>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int rmq[17][100001];///rmq[j][i] = minimul pentru intervalul [i - (1 << j) + 1, i];
int logue[100001];
int minim(int a, int b)
{
int l = logue[b - a + 1];
return min(rmq[l][b], rmq[l][a + (1 << l) - 1]);
}
int main()
{
int n, m, a, b;
in >> n >> m;
for(int i = 1; i <= n; i++)
in >> rmq[0][i];
for(int i = 2; i <= n; i++)
logue[i] = 1 + logue[i / 2];
for(int j = 1; (1 << j) <= n; j++)
for(int i = (1 << j); i <= n; i++)
rmq[j][i] = min(rmq[j - 1][i], rmq[j - 1][i - (1 << (j - 1))]);
for(int i = 1; i <= m; i++)
{
in >> a >> b;
out << minim(a, b) << '\n';
}
return 0;
}