Submission #895279

#	Time	Username	Problem	Language	Result	Execution time	Memory
895279		vjudge1	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	100 / 100	2489 ms	127208 KiB

sortbooks

//GOAL : BECOME A MASTER
//cf : Mali                           
//Toktarbek Muhammedali 10B
//Esyk BIL             

// #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>
   
using namespace std;

#define fast() ios_base::sync_with_stdio(0),cin.tie(0)
#define int long long
#define F first
#define S second
const int N = 1e6 + 10;
const long long INF = 1e18 + 1;
const int mod = 1e9 + 7;
using namespace std;


int a[N] , l[N] , r , k[N];
int res[N];
int t[4*N];
vector<int>g[N];
stack<int>st;
int llmax(int a, int b){
	if (a > b)return a;
	else return b;
}

// void build(int v, int tl , int tr){
// 	if (tl == tr){
// 		t[v] = a[tl];
// 		// d[v] = {b[tl] , tl};
// 		return;
// 	}
// 	int md = (tl + tr) >> 1;
// 	build(v+v , tl , md) , build(v+v+1 , md+1 , tr);
// 	t[v] = max(t[v+v] , t[v+v+1]);
// 	// d[v] = max(d[v+v] , d[v+v+1]);
// }

void u1(int v , int tl , int tr , int pos , int val){
	if (tl == tr){
		t[v] = max(t[v] , val);
		return;
	}
	int md = (tl + tr) >> 1;
	if (pos <= md)u1(v+v , tl , md , pos , val);
	else u1(v+v+1 , md+1 , tr , pos , val);
	t[v] = max(t[v+v] , t[v+v+1]);
	return;
}

int g1(int v , int tl , int tr , int l , int r){
	if (r < tl || tr < l)return 0;
	if (l <= tl && tr <= r)return t[v];
	int md = (tl + tr) >> 1;
	return max(g1(v+v , tl , md , l , r) , g1(v+v+1 , md+1 , tr , l , r));
}

void goat(){
	int n , q;
	cin >> n >> q;
	for (int i = 1 ; i <= n ; i ++)cin >> a[i];
	for (int i = 1 ; i <= q ; i ++){cin >> l[i] >> r >> k[i];g[r].push_back(i);}
	st.push(0);a[0] = INF;
	for (int i = 1 ; i <= n ; i ++){
		while (a[st.top()] <= a[i])st.pop();
		if (st.top() != 0)u1(1 , 1 , n , st.top() , a[st.top()] + a[i]);
		for (auto to:g[i])if (g1(1 , 1 , n , l[to] , i) <= k[to])res[to] = 1;
		st.push(i);
	}
	for (int i = 1 ; i <= q ; i ++)cout << res[i] << endl;
}
signed main () {
  fast();
  // cout << 1;
  // freopen("B.in", "r", stdin);
  // freopen("B.out", "w", stdout);
    // int T;
    // cin >> T;
    // for (int i = 1 ; i <= T ; i ++){
    	goat();
    // }
}

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