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/**
infoarena.ro/problema/rmq
Range Minimum Query
*/
#include <fstream>
#include <cstring>
using namespace std;
int n,q;
const int nmax=0x3f3f3f3f3f3f3f3f;
int log2[100010];
int m[20][100010];
void precalc()
{
for(int i=2;i<=n;i++)
{
log2[i]=log2[i/2]+1;
}
for(int i=1;(1<<i)<=n;i++)
{
for(int j=1;j<=n-(1<<i)+1;j++)
{
m[i][j]=min(m[i-1][j],m[i-1][j+(1<<(i-1))]);
}
}
}
int main()
{
ifstream fin("rmq.in");
ofstream fout("rmq.out");
fin>>n>>q;
memset(m,nmax,sizeof m);
for(int i=1; i<=n; i++)
{
fin>>m[0][i];
}
precalc();
int x,y;
while( fin>>x>>y)
{
int p=log2[y-x+1];
fout<<min(m[p][x],m[p][y-(1<<p)+1])<<endl;
}
return 0;
}