Submission #1287477

#TimeUsernameProblemLanguageResultExecution timeMemory
1287477azamuraiHedgehog Daniyar and Algorithms (IZhO19_sortbooks)C++20
30 / 100
389 ms18040 KiB
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define Sz(x) (int)x.size()

const int N = 1e6 + 5;
int n, m, a[N], pref[N];

void solve() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	if (n <= 5000 && m <= 5000) {
		while (m--) {
			int l, r, k;
			cin >> l >> r >> k;
			int ok = 1, mx = 0;
			for (int i = l; i <= r; i++) {
				if (mx > a[i] && (mx + a[i]) > k) {
					ok = 0;
				}
				mx = max(mx, a[i]);
			}
			if (ok) cout << 1 << '\n';
			else cout << 0 << '\n';
		}
	}
	else {
		for (int i = 2; i <= n; i++) {
			pref[i] = pref[i - 1];
			if (a[i] < a[i - 1]) pref[i]++;
		}
		while (m--) {
			int l, r, k;
			cin >> l >> r >> k;
			if ((pref[r] - pref[l]) == 0) cout << 1 << '\n';
			else cout << 0 << '\n';
		}
	}
}

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int t = 1;
	//cin >> t;
	
	for (int T = 1; T <= t; T++) {
		solve();
		cout << '\n';
	}
}
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