Submission #1112794

#	Time	Username	Problem	Language	Result	Execution time	Memory
1112794		vjudge1	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	0 / 100	1160 ms	128120 KiB

sortbooks

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
 
using namespace std;

#define ll long long
#define int long long
#define ar array
 
//#define endl '\n'
 
const int N = 1e6 + 20;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const int LOG = 30;

struct seggy{
	struct Node{
		int mn, mx, ans;
		Node(int x = 0){
			ans = 0;
			mn = min(0ll, x);
			mx = max(0ll, x);
		}
		Node(int a,int b,int c){
			mn = a, mx = b, ans = c;
		}
	};
	Node merge(Node a, Node b){
		Node res;
		res.mx = max(a.mx, b.mx);
		res.mn = min(a.mn, b.mn);
		res.ans = max({a.ans, b.ans, a.mx - b.mx});
		return res;
	}
	vector<Node> s;
	void init(int n){
		s.resize(4 * n + 69);
	}
	
	void upd(int k,int tl,int tr,int p,int v){
		if(tl == tr){
			s[k] = Node(v);
			return;
		}
		int tm = (tl + tr) / 2;
		if(p <= tm)upd(k * 2, tl, tm, p, v);
		else upd(k * 2 + 1, tm + 1, tr, p, v);
		s[k] = merge(s[k * 2], s[k * 2 + 1]);
	}
	Node qry(int k,int tl,int tr,int l,int r){
		if(l > tr || tl > r)return Node();
		if(l <= tl && tr <= r)return s[k];
		int tm = (tl + tr) / 2;
		return merge(qry(k * 2,tl, tm, l, r), qry(k * 2 + 1,tm + 1, tr, l, r));
	}
};

signed main(){ios::sync_with_stdio(false);cin.tie(0);
	int n, q;
	cin>>n>>q;
	seggy sgt;
	sgt.init(n);
	for(int i = 0;i < n;i++){
		int x;
		cin>>x;
		sgt.upd(1, 0, n - 1,i, x);
	}
	while(q--){
		int l, r, k;
		cin>>l>>r>>k;
		--l, --r;
		//cout<<sgt.qry(1, 0, n- 1,l, r).ans<<'\n';
		if(sgt.qry(1, 0, n- 1,l, r).ans <= k)cout<<"1\n";
		else cout<<"0\n";
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23