Submission #1117495

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117495		vjudge1	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	13 / 100	3045 ms	18084 KiB

sortbooks

// Problem: E - Hedgehog Daniyar and Algorithms
// Contest: Virtual Judge - Selection
// URL: https://vjudge.net/contest/673521#problem/E
// Memory Limit: 256 MB
// Time Limit: 3000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

/**********************************                               //deque,priority_queue
 *    author:  NurkhatKrutoi2009
 *    created: Just now
 *    P.S: tourist ne katai
**********************************/
#include <bits/stdc++.h>
/* for ordered_set <int> st; --> st.order_of_key(j)
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
using namespace std; 
using namespace __gnu_pbds;  //Delete the other one
template<class T> using ordered_set = tree<T, null_type, 
less<T>, rb_tree_tag, tree_order_statistics_node_update>; 
template<class T> using ordered_multiset = tree<T, null_type, less_equal<T>, 
rb_tree_tag, tree_order_statistics_node_update>;
*//*
#include <algorithm>
#include <iostream>
#include <cmath>
*//*
#pragma GCC optimize("fast-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native,avx2,fma")
#pragma GCC optimization ("unroll-loops")
*/
#define int long long
#define FREOPEN  freopen("  .in", "r", stdin);  freopen("  .out", "w", stdout);
#define sonic ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FORR( i, x, n, d ) for( int i = x; i >= n; i -= d )
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
#define all(x) (x).begin(), (x).end()
#define pss pair<string,string>
#define nextp next_permutation
#define pii pair<int,int>
#define priq priority_queue
#define mii map<int,int>
#define sz(x) (x).size()
#define stirng string
#define str to_string
#define rev reverse
#define pb push_back
#define ll long long
#define endl '\n'
#define S second
#define F first
const int Pi=3.1415926535;
const int MOD=1e9+7;
const int N=1e5+123;
const int lol=63;
const int inf=1e9+123;
using namespace std;
int tc=1;
int n,m,l,r,k,mx=-inf;
void code( ){ 
	int n,m;
	cin>>n>>m;
	int s[n+1];
	int b[n+1];
	FOR(i,1,n,1){cin>>s[i];mx=max(mx,s[i]);}
	int l=1;
	b[1]=1;
	FOR(i,2,n,1){
		if(s[i]<s[i-1])l=i;
		b[i]=l;
	}
	while(m--){
		int l,r,k;
		cin>>l>>r>>k;
		if(k<mx){
			if(b[r]==b[l])cout<<"1\n";
			else cout<<"0\n";
		continue;}
		
		bool ok=1;
		set <int,greater<int>> st;
		st.insert(s[r]);
		st.insert(0);
		bool was=0;
		FORR(i,r-1,l,1){
			int x=-1;
			if( s[i]!=0 )x=*st.upper_bound(s[i]);
			st.insert(s[i]);
			if(s[i]==0)was=1;
			if( x==0 && !was )continue;
			if( x+s[i]>k ){ok=0;break;}
		}cout<<(ok ? "1\n" : "0\n");
	}
}signed main(){sonic   //FREOPEN
    //cin>>tc;  
    while(tc--){
    code();
    }
    return 0;
}










 

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