#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, greater_equal<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
const int mxN = 2e5 + 10;
int a[mxN], cseen[mxN], st[mxN], en[mxN], p[mxN], ans[mxN];
map<int, set<int>> mp_l, mp_r;
vector<pair<int, int>> query;
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(nullptr); cout.tie(nullptr);
int n, q, mx = 0;
cin >> n >> q;
unordered_set<int> seen;
for(int i = 1; i <= n; ++i){
cin >> a[i];
seen.insert(a[i]);
mx = max(mx, a[i]);
}
for(int i = 1, l, r; i <= q; ++i){
cin >> l >> r;
mp_l[l].insert(i);
mp_r[r].insert(i);
query.push_back({l, r});
st[i] = 1, en[i] = n + 1;
p[i] = (st[i] + en[i]) / 2;
}
/* auto rem = [&](int idx) -> void {
idx += mx - 1;
seg[idx] = 0;
while(idx > 1){
idx >>= 1;
seg[idx] = seg[idx << 1] + seg[idx << 1 | 1];
}
};*/
for(int _ = 0; _ < 18; ++_){
vector<int> seg(mx * 2, 0);
auto add = [&](int idx, int v) -> void {
idx += mx - 1;
seg[idx] += v;
while(idx > 1){
idx >>= 1;
seg[idx] = seg[idx << 1] + seg[idx << 1 | 1];
}
};
auto ask = [&](int l, int r) -> int {
l += mx - 1, r += mx - 1;
int ans = 0;
while(l <= r){
if(l & 1) ans += seg[l++];
if(r & 1 ^ 1) ans += seg[r--];
l >>= 1, r >>= 1;
}
return ans;
};
for(int i = 1; i <= n; ++i){
for(auto it : mp_l[i]){
if(st[it] > en[it]) {
cseen[it] = 0;
continue;
}
cseen[it] = -ask(p[it], mx);
}
add(a[i], 1);
for(auto it : mp_r[i]){
if(st[it] > en[it]) {
cseen[it] = 0;
continue;
}
cseen[it] += ask(p[it], mx);
if(cseen[it] >= p[it]){
st[it] = p[it] + 1;
ans[it] = p[it];
}else{
en[it] = p[it] - 1;
}
cseen[it] = 0;
}
}
for(int i = 1; i <= q; ++i){
if(st[i] <= en[i]){
p[i] = (st[i] + en[i]) / 2;
}else{
mp_l[query[i - 1].first].erase(i);
mp_r[query[i - 1].second].erase(i);
}
}
}
for(int i = 1; i <= q; ++i) cout << ans[i] << "\n";
return 0;
}
