Submission #1233571

#	Time	Username	Problem	Language	Result	Execution time	Memory
1233571		kaltspielerhy	Data Transfer (IOI19_transfer)	C++20	60 / 100	4 ms	1728 KiB

transfer

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

// avoir le full de 2 problèmes sans pouvoir les coder...
int N = 63;

vector<int> get_attachment(vector<int> source) {
	vector<int> res;
	int parite = 0;
	int position = 0;
	for (int i = 1; i <= N; i++) {
		if (source[i-1] == 1) {
			position ^= i;
			parite ^= 1;
		}
	}

	vector<int> binaire(6, 0);
	while (position != 0) {
		binaire[0]++;
		int idx = 0;
		while (binaire[idx] > 1) {
			binaire[idx] = 0;
			binaire[idx+1]++;
			idx++;
		}
		position--;
	}

	binaire.push_back(parite);

	return binaire;
}

vector<int> retrieve(vector<int> data) {
	int parite = 0;
	int position = 0;
	for (int i = N; i < N+6; i++) {
		if (data[i] == 1) {
			position += (1 << i-N);
		}
	}

	for (int i = 1; i <= N; i++) {
		if (data[i-1] == 1) {
			parite ^= 1;
			position ^= i;
		}
	}

	// vector<int> fz(data.begin(), data.begin()+N);
	// for (int i : fz) cerr << i << ' ';
	// cerr << '\n';
	// cerr << position << '\n';
	if (position == 0 || parite == data[N+6]) return vector<int>(data.begin(), data.begin()+N);

	data[position-1] ^= 1;
	vector<int> dd(data.begin(), data.begin()+N);
	// for (int i : dd) cerr << i << ' ';
	// cerr << '\n';
	return vector<int>(data.begin(), data.begin()+N);
}

• Subtask 1: 60 / 60
• Subtask 2: 0 / 40