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#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
using namespace std;
const int NMax = 100005;
int N, M;
int r[NMax][20];
void RMQ()
{
int jmax=floor(log2(N))+1;
for(int j=1; j<jmax; ++j)
for(int i=0; i<N; ++i)
{
if(i+(1<<(j-1))<N)
r[i][j]=min(r[i][j-1], r[i+(1<<(j-1))][j-1]);
else
r[i][j]=r[i][j-1];
}
}
void Read()
{
scanf("%d%d", &N, &M);
for(int i=1; i<=N; ++i)
{
int x;
scanf("%d", &x);
r[i-1][0]=x;
}
RMQ();
for(int i=0; i<N; ++i)
{for(int j=0; j<=3; ++j)
cout<<r[i][j]<<" ";
cout<<"\n";}
for(int i=1; i<=M; ++i)
{
int x,y;
scanf("%d%d", &x, &y);
x--;
y--;
int j=int(log2(y-x+1));
printf("%d\n", min(r[x][j], r[y-(1<<j)+1][j]));
}
}
int main()
{
freopen("rmq.in", "r", stdin);
freopen("rmq.out", "w", stdout);
Read();
return 0;
}