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#include <bits/stdc++.h>
#define INFINIT 1000000000
int lg[100001];
void log() {
int i;
lg[1] = 0;
for ( i = 2; i <= 100000; i++ )
lg[i] = lg[i / 2] + 1;
}
int v[100001];
int r[100001][17];
int mn( int a, int b ) {
return a < b ? a : b;
}
void rmq( int n ) {
int i, j;
for ( i = 1; i <= n; i++ ) {
r[i][0] = v[i];
for ( j = 1; j <= lg[i]; j++ ) {
r[i][j] = mn( r[i][j - 1], r[i - ( 1 << ( j - 1 ) )][j - 1] );
}
}
}
int query( int x, int y ) {
int l = lg[y - x + 1];
return mn( r[y][l], r[x + ( 1 << l ) - 1][l] );
}
int main() {
FILE *fin, *fout;
int n, m, i, x, y;
fin = fopen( "rmq.in", "r" );
fout = fopen( "rmq.out", "w" );
log();
fscanf( fin, "%d%d", &n, &m );
for ( i = 1; i <= n; i++ )
fscanf( fin, "%d", &v[i] );
rmq( n );
for ( i = 0; i < m; i++ ) {
fscanf( fin, "%d%d", &x, &y );
fprintf( fout, "%d\n", query( x, y ) );
}
fclose( fin );
fclose( fout );
return 0;
}