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#include <fstream>
using namespace std;
int n, m;
int a[100001], minim[100001][16];
void precalc(void) {
for(int i = 0; i < n; ++i)
minim[i][0] = i;
for(int j = 1; (1 << j) <= n; ++j)
for(int i = 0; i + (1 << j) - 1 < n; ++i) {
if(a[minim[i][j-1]] <= a[minim[i + (1 << (j-1))][j-1]])
minim[i][j] = minim[i][j-1];
else
minim[i][j] = minim[i + (1 << (j-1))][j-1];
}
}
inline int rmq(int x, int y) {
int pow = 0;
int dif = y - x + 1;
while(dif != 1) {
++pow;
dif >>= 1;
}
if(a[minim[x][pow]] <= a[minim[y - (1 << pow) + 1][pow]])
return minim[x][pow];
else
return minim[y - (1 << pow) + 1][pow];
}
int main(void) {
ifstream fin("rmq.in");
fin >> n >> m;
for(int i = 0; i < n; ++i)
fin >> a [i];
precalc();
ofstream fout("rmq.out");
for(int i = 0; i < m; ++i) {
int x, y;
fin >> x >> y;
fout << a[rmq(x-1, y-1)] << '\n';
}
fin.close();
fout.close();
}