Submission #335909

#	Time	Username	Problem	Language	Result	Execution time	Memory
335909		tengiz05	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	13 / 100	1157 ms	57368 KiB

sortbooks

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
const int mod = 1e9+7, N = 1e6+5;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val);}
int a[N], n, k, sz=1;

struct Node{
	int L, R, ans;
};
Node t[N*2];
Node Merge(Node &l, Node &r){
	Node res = {l.L, r.R, l.ans & r.ans};
	if(l.R > r.L)res.ans = 0;
	return res;
}
int get(int l, int r){
	Node resl = {a[l],a[l], 1};
	Node resr = {a[r],a[r], 1};
	l++;r--;
	for(l += sz, r += sz; l <= r; l>>=1,r>>=1){
		if(l%2==1){
			resl = Merge(resl, t[l++]);
		}if(r%2==0){
			resr = Merge(t[r--], resr);
		}
	}
	Node res = Merge(resl, resr);
	return res.ans;
}
void solve(int test_case){
	int i, j, q;
	cin >> n >> q;
	while(sz<n)sz<<=1;
	sz=n;
	for(i=0;i<n;i++){
		cin >> a[i];
		t[i+sz] = {a[i], a[i], 1};
	}
	for(i=sz-1;i>0;i--)t[i] = Merge(t[i*2], t[i*2+1]);
	
	while(q--){
		int l, r;
		cin >> l >> r >> k;
		l--, r--;
		if(get(l,r)){
			cout << 1 << '\n';
		}else {
			cout << 0 << '\n';
		}
	}
	return;
}

signed main(){
	FASTIO;
#define MULTITEST 0
#if MULTITEST
	int ___T;
	cin >> ___T;
	for(int T_CASE = 1; T_CASE <= ___T; T_CASE++)
		solve(T_CASE);
#else
	solve(1);
#endif
	return 0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'void solve(long long int)':
sortbooks.cpp:40:9: warning: unused variable 'j' [-Wunused-variable]
   40 |  int i, j, q;
      |         ^

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