Submission #1106366

#TimeUsernameProblemLanguageResultExecution timeMemory
1106366stdfloatSimple game (IZhO17_game)C++17
22 / 100
1038 ms1016 KiB
#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 cnt = 0;
			vector<bool> vis(n);
			for (int i = 0; i + 1 < n; i++) {
				int mn = min(a[i], a[i + 1]), mx = max(a[i], a[i + 1]);
				cnt += (mn <= x && x <= mx) - (x == a[i]);
			}

			cout << cnt << '\n';
		}
	}
}
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