//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree <pair <int, int>, null_type, less <pair <int, int> >, rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;
#define ll long long
#define db double
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mp make_pair
#define size(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define endl "\n"
//#define int long long
using namespace std;
void dout() {
cerr << endl;
}
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
cerr << H << ' ';
dout(T...);
}
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;
const int N = 1e5 + 3, K = 1e6;
int n, m, a[N], fen[K + 3];
void upd(int x, int y) {
for (; x <= K; x |= (x + 1)) {
fen[x] += y;
}
}
int get(int x) {
int res = 0;
for (; x >= 0; x = (x & (x + 1)) - 1) {
res += fen[x];
}
return res;
}
void add(int l, int r) {
if (l > r) {
swap(l, r);
}
r--;
if (l > r) {
return;
}
upd(l, 1);
upd(r + 1, -1);
}
void del(int l, int r) {
if (l > r) {
swap(l, r);
}
r--;
if (l > r) {
return;
}
upd(l, -1);
upd(r + 1, 1);
}
void solve(int tc) {
// check for (int i = 0; i < n; j++)
cin >> n >> m;
int l, r;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (i > 1) {
l = a[i - 1], r = a[i];
add(l, r);
}
}
int t, pos, val, h;
for (int i = 1; i <= m; i++) {
cin >> t;
if (t == 1) {
cin >> pos >> val;
if (pos > 1) {
l = a[pos - 1], r = a[pos];
del(l, r);
l = a[pos - 1], r = val;
add(l, r);
}
if (pos < n) {
l = a[pos], r = a[pos + 1];
del(l, r);
l = val, r = a[pos + 1];
add(l, r);
}
a[pos] = val;
} else {
cin >> h;
cout << get(h) << endl;
}
}
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
int tc = 1;
// cin >> tc;
for (int i = 0; i < tc; i++) {
solve(i);
// cleanup();
}
}
