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#include<iostream>
#include<string>
#include<fstream>
#include<algorithm>
#include<queue>
using namespace std;
int main()
{
ifstream si;
si.open("rmq.in");
ofstream so;
so.open("rmq.out");
int n,m;
si>>n>>m;
int i;
int x[n][n];
for(i=0;i<n;++i)
si>>x[i][i];
int j;
for(i=0;i<n;++i)
{
for(j=0;j<i;++j)
x[i][j]=x[j][i];
for(j=i+1;j<n;++j)
x[i][j]=min(x[i][j-1],x[j][j]);
}
int a,b;
for(i=0;i<m;++i)
{
si>>a>>b;
so<<x[a-1][b-1]<<endl;
}
}