Submission #690603

#	Time	Username	Problem	Language	Result	Execution time	Memory
690603		Nuraly_Serikbay	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	30 / 100	3066 ms	26624 KiB

sortbooks

/* Speech to the young */

//#include <bits/stdc++.h>
#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <fstream>
#include <unordered_map>

using namespace std;

#define pb push_back
#define all(x) x.begin(),x.end()
#define F first
#define S second
#define YOSIK() ios_base::sync_with_stdio(0),cin.tie(0)
#define int long long
#define pans cout << "\n------ans-------\n"

const int N = 1e6 + 10;
const int INF = 1e18 + 7;
const int MOD = 1e9 + 7;
const int P = 31;

int n, m, t[N * 4];
int a[N];

void build (int v, int tl, int tr) {
	if (tl == tr) {
		if (tl == 1) return;
		if (a[tl] < a[tl - 1]) t[v] = 1;
		return;
	}
	int mid = (tl + tr) >> 1;
	build (v + v, tl, mid), build (v + v + 1, mid + 1, tr);
	t[v] = t[v + v] + t[v + v + 1];
	return;
}

int get (int v, int tl, int tr, int l, int r) {
	if (l <= tl && tr <= r) return t[v];
	if (r < tl || tr < l) return 0;
	int mid = (tl + tr) >> 1;
	return get (v + v, tl, mid, l, r) + get (v + v + 1, mid + 1, tr, l, r);
}

void Solution () {
	cin >> n >> m;
	int mn = INF;
	for (int i = 1; i <= n; ++ i) {
		cin >> a[i];
		mn = min (mn, a[i]);
	}
	set <int> s;
	int ok = 0;
	build (1, 1, n);
	for (int i = 1; i <= m; ++ i) {
		int l, r, k;
		cin >> l >> r >> k;
		if (k < mn) {
			if (get (1, 1, n, l + 1, r) > 0) cout << 0 << '\n';
			else cout << 1 << '\n';
		} else {
			ok = 0;
			s.clear();
			for (int j = r; j >= l; -- j) {
				auto it = s.lower_bound (a[j]);
				if (it == s.begin()) {
					s.insert(a[j]);
					continue;
				}
				it --;
				if (*(it) + a[j] > k) {
					ok = 1;
					break;
				}
				s.insert (a[j]);
			}
			cout << (ok ? "0\n" : "1\n");
		}
		
	}
	return;
}

signed main () {
	YOSIK();
//	precalc();
	int T = 1; 
	//cin >> T;
	while (T --) Solution ();
	exit (0);
}

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