#include <bits/stdc++.h>
#define ar array
//#define int long long
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const ll inf = 1e18;
const int N = 1e6 + 5;
signed main() {
ios_base::sync_with_stdio(false);
cout.tie(0); cin.tie(0);
int n, q; cin >> n >> q;
vector<int> a(n+1);
for(int i=1; i<=n; i++) cin >> a[i];
while(q--) {
int t; cin >> t;
if(t == 1) {
int p, v; cin >> p >> v;
a[p] = v;
} else {
int h, ans = 0; cin >> h;
for(int i=1; i<n; i++) {
if(a[i] <= h && h <= a[i+1]) ans++;
else if(a[i+1] <= h && h <= a[i]) ans++;
}
cout << ans << '\n';
}
}
}
