# include<bits/stdc++.h>
#define in freopen ("measurement.in", "r", stdin);
#define out freopen("measurement.out", "w", stdout);
#define ll long long
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std ;
long long const N = 1e3 + 7;
long long N1 = 1e9 + 7;
double long k = 0;
int a[N];
int main( ){
//in out
speed ;
ll TJK = 1 ;
// cin >> TJK ;
while( TJK -- ){
int n, m;
cin >> n >> m;
for ( int i = 1; i <= n; i++ ) {
cin >> a[i];
}
for ( int i = 1; i <= m; i++ ) {
int t;
cin >> t;
if ( t == 2 ) {
int h, cnt = 0;
cin >> h;
for ( int i = 2; i <= n; i++ ) {
if ( (a[i - 1] < h && a[i] > h) || (a[i - 1] > h && a[i] < h) ) {
cnt++;
}
}
cout << cnt << '\n';
}
else {
int pos, val;
cin >> pos >> val;
a[pos] = val;
}
}
}
}
