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#include <fstream>
#include <cmath>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
long x,y,n,m,j,i,a[100005],p[100005][25],aux,lg;
int main()
{
cin>>n>>m;
for(i=1;i<=n;++i) cin>>a[i];
for(i=0;i<=(int)log2(n);++i)
{
for(j=1;j<=n;++j)
{
if(i==0)
p[j][i]=a[j];
else
p[j][i]=min(p[j][i-1],p[j+(1<<(i-1))][i-1]);
}
}
for(i=1;i<=m;++i)
{
cin>>x>>y;
aux=y-x+1;
lg=(int)log2(aux);
cout<<min(p[x][lg], p[y-(1<<lg)+1][lg])<<"\n";
}
return 0;
}