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#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int i,j,n,m,x,v[100001],y,a[20000][20000];
int main()
{
fin>>n>>m;
for(i=1;i<=n;i++)
{
fin>>v[i];
a[i][i]=v[i];
}
for(i=1;i<=n;i++)
for(j=i+1;j<=n;j++)
a[i][j]=min(a[i][j-1],v[j]);
for(i=1;i<=m;i++)
{
fin>>x>>y;
fout<<a[x][y]<<'\n';
}
return 0;
}