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#include<cstdio>
int n,q,a,b,x,pp,i,j,v[100100],p[100100],d[20][100100];
FILE *f,*g;
int minim(int a,int b){
if(a<b)
return a;
return b;
}
int main(){
f=fopen("rmq.in","r");
g=fopen("rmq.out","w");
fscanf(f,"%d%d",&n,&q);
p[1]=0;
for(i=1;i<=100000;i++){
p[i]=p[i/2]+1;
}
for(i=1;i<=n;i++){
fscanf(f,"%d",&d[0][i]);
}
for(i=1;i<=p[n];i++){
x=1<<(i-1);
for(j=1;j<=n;j++){
if(j+x<=n)
d[i][j]=minim(d[i-1][j],d[i-1][j+x]);
else
d[i][j]=d[i-1][j];
}
}
for(i=1;i<=q;i++){
fscanf(f,"%d%d",&a,&b);
x=b-a+1;
pp=1<<(p[x]-1);
fprintf(g,"%d\n",minim(d[p[x]-1][a],d[p[x]-1][b-pp+1]));
}
fclose(f);
fclose(g);
return 0;
}