#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
#include <stdlib.h>
#define MAXN 100001

using namespace std;

int A[MAXN], log[MAXN], RMQ[18][MAXN], N, M;

inline int min(int x, int y) { return x < y ? x : y; }

int main(){
	freopen("rmq.in", "r", stdin);
	freopen("rmq.out", "w", stdout);

	scanf("%d %d", &N, &M);
	for (int i = 1; i <= N; ++i)
		scanf("%d", &RMQ[0][i]);

	for (int i = 2; i <= N; ++i)
		log[i] = log[i / 2] + 1;

	for (int i = 1; (1 << i) <= N; ++i)
		for (int j = 1; j <= N - (1 << i) + 1; ++j)
			RMQ[i][j] = min(RMQ[i - 1][j], RMQ[i - 1][j + (1 << (i - 1))]);

	for (int x, y, r, diff, row; M; --M){
		scanf("%d %d", &x, &y);
		diff = y - x + 1;
		row = log[diff];
		printf("%d\n", min(RMQ[row][x], RMQ[row][x + diff - (1 << row)]));
	}

	return 0;
}