Submission #1227874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227874		loloka	Minerals (JOI19_minerals)	C++20	40 / 100	75 ms	8700 KiB

minerals

#include "minerals.h"
#include<bits/stdc++.h>
using namespace std;

mt19937 rng(time(0));

void slv(vector<int> v1, vector<int> v2, int z) {
	if((int)v1.size() == 1) {
		Answer(v1[0], v2[0]);
		return;
	}
	int kl = z;
	int n = (int)v1.size();
	vector<int> h11, h12, h21, h22;
	for(int i = 0; i < n / 2; i++) h11.push_back(v1[i]);
	for(int i = n / 2; i < n; i++) h21.push_back(v1[i]);
	map<int, int> mp, mp1;
	int kl2 = 0;
	//shuffle(v2.begin(), v2.end(), rng);
	for(int i = 0; i < n; i++) {
		int k = Query(v2[i]); 
		if(k == kl) h12.push_back(v2[i]), mp[i] = 1;
		else h22.push_back(v2[i]), mp1[v2[i]] = 1;
		kl = k;
	}
	if(n >= 4) {
		for(int i = n / 4; i < n / 2; i++) kl = Query(v1[i]);
		for(int i = 0; i < n; i++) if(mp[i] == 1) kl = Query(v2[i]);
	}
	slv(h11, h12, kl);
	swap(h21, h22);
	int S = (int)h21.size();
	for(int i = S / 2; i < S; i++) {
		kl = Query(h21[i]);
	} 
	slv(h21, h22, kl);
}

void Solve(int n) {
	vector<int> v1, v2;
	int kl = 0;
	for(int i = 1; i <= 2 * n; i++) {
		int k = Query(i);
		if(k == kl) v2.push_back(i);
		else v1.push_back(i);
		kl = k;
	}
	for(int i = n / 2; i < n; i++) Query(v1[i]);
	for(auto i : v2) kl = Query(i);
	slv(v1, v2, kl);
}

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10