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#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream cin ("rmq.in");
ofstream cout ("rmq.out");
int v[100003],r[20][100005],log[100005];
int main()
{
int n,i,j,m;
cin>>n>>m;
for(i=1;i<=n;++i)
cin>>v[i];
log[1]=0;
for(i=2;i<=100000;++i)
log[i]=1+log[i/2];
for(i=0;i<=log[n]+1;++i)
{
for(j=1;j<=n;++j)
{
if(i==0)
r[i][j]=v[j];
else if (j-(1<<(i-1))>0)
r[i][j]=min(r[i-1][j],r[i-1][j-(1<<(i-1))]);
}
}
for(i=1;i<=m;++i)
{
int a,b;
cin>>a>>b;
cout<<min(r[log[b-a+1]][b],r[log[b-a+1]][a+1<<(log[b-a+1])-1])<<'\n';
}
return 0;
}