This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int n, q;
cin >> n >> q;
vector<int> a(n);
for (auto &i : a)
cin >> i;
while (q--) {
int tp, x;
cin >> tp >> x;
if (tp == 1) {
int vl;
cin >> vl;
a[--x] = vl;
}
else {
int y = -1;
for (int i = 0; i < n; i++)
if (x < a[i] && (y == -1 || a[i] < a[y])) y = i;
if (y == -1) {
cout << "0\n"; continue;
}
x = a[y] - 1;
int cnt = 0;
for (int i = 0; i + 1 < n; i++)
cnt += (min(a[i], a[i + 1]) < x && x < max(a[i], a[i + 1]));
cout << cnt << '\n';
}
}
}
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