#include        <bits/stdc++.h>
#define ll      long long
#define maxn    200005
#define rc(s)   return cout << s,0
#define _       ios_base::sync_with_stdio(false);cin.tie(0);
#define mp      make_pair
#define pii     pair<int,int>
#define vi      vector<int>
#define vll     vector<long long>
using namespace std;
inline int readChar();
template <class T = int> inline T readInt();
template <class T> inline void writeInt( T x, char end = 0 );
inline void writeChar( int x );
inline void writeWord( const char *s );

/** Read */

static const int buf_size = 4096;

inline int getChar() {
    static char buf[buf_size];
    static int len = 0, pos = 0;
    if (pos == len)
        pos = 0, len = fread(buf, 1, buf_size, stdin);
    if (pos == len)
        return -1;
    return buf[pos++];
}

inline int readChar() {
    int c = getChar();
    while (c <= 32)
        c = getChar();
    return c;
}

template <class T>
inline T readInt() {
    int s = 1, c = readChar();
    T x = 0;
    if (c == '-')
        s = -1, c = getChar();
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    return s == 1 ? x : -x;
}

inline ll readLong() {
    int s = 1, c = readChar();
    ll x = 0;
    if (c == '-')
        s = -1, c = getChar();
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    return s == 1 ? x : -x;
}

/** Write */

static int write_pos = 0;
static char write_buf[buf_size];

inline void writeChar( int x ) {
    if (write_pos == buf_size)
        fwrite(write_buf, 1, buf_size, stdout), write_pos = 0;
    write_buf[write_pos++] = x;
}

template <class T>
inline void writeInt( T x, char end ) {
    if (x < 0)
        writeChar('-'), x = -x;

    char s[24];
    int n = 0;
    while (x || !n)
        s[n++] = '0' + x % 10, x /= 10;
    while (n--)
        writeChar(s[n]);
    if (end)
        writeChar(end);
}

inline void writeWord( const char *s ) {
    while (*s)
        writeChar(*s++);
}

struct Flusher {
    ~Flusher() {
        if (write_pos)
            fwrite(write_buf, 1, write_pos, stdout), write_pos = 0;
    }
} flusher;


const int inf = INT_MAX;
int n,m,val,pos,x,y,z,start,finish;
int aint[420420];

void upd(int nod,int l, int r, int val)
{
    if(l == r)
    {
        aint[nod] = val;
        return;
    }
    int mid = (l+r)/2;
    if(pos<=mid) upd(nod*2,l,mid,val);
    else upd(nod*2+1,mid+1,r,val);
    aint[nod] = min(aint[nod*2],aint[nod*2+1]);
}

int qry(int nod,int l,int r)
{
    if(start <= l && finish >= r)
        return aint[nod];
    if(start > r || finish < l)
        return inf;
    return min(qry(nod*2,l,(l+r)/2),qry(nod*2+1,(l+r)/2+1,r));
}


int main(){
_
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    memset(aint,inf,sizeof(aint));
	n = readInt();
	m = readInt();
    for(int i = 1;i<=n;i++)
    {
        x = readInt();
        pos = i;
        upd(1,1,n,x);
    }
    for(int i = 1;i<=m;i++)
    {
		x = readInt();
		y = readInt();
        start = x;
        finish = y;
        writeInt(qry(1,1,n),'\n');
    }
    return 0;
}