#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
void setIO()
{
fast;
}
int main()
{
setIO();
int n,q;
cin>>n>>q;
vi h(n + 1);
for (int i = 1;i<=n;i++)cin>>h[i];
while (q--){
int t;
cin>>t;
if (t == 1){
int p,v;
cin>>p>>v;
h[p] = v;
}
else{
int H;
cin>>H;
int ans = 0;
for (int i = 1;i<n;i++)
ans += (h[i] >= H and H >= h[i + 1]) or (h[i] <= H and H <= h[i + 1]);
cout<<ans<<endl;
}
}
return 0;
}
