Submission #707271

#	Time	Username	Problem	Language	Result	Execution time	Memory
707271		SamNguyen	Parrots (IOI11_parrots)	C++14	52 / 100	4 ms	1060 KiB

encoder

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

void encode(int N, int M[]) {
	string str;
	for (int i = 0; i < N; i++) 
		for (int t = 7; t >= 0; t--)
			str.push_back(((M[i] >> t) & 1) + '0');

	for (int i = 0; i < int(str.size()); i++) 
		send(i << 1 | (str[i] - '0'));
}

decoder

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

void decode(int N, int L, int X[]) {
	string str(8 * N, '0');
	for (int t = 0; t < L; t++) {
		int v = X[t] & 1;
		int i = X[t] >> 1;
		str[i] = v + '0';
	}

	vector<int> res(N);
	auto it = str.begin();
	for (int i = 0; i < N; i++) {
		int v = 0;
		for (int j = 7; j >= 0; j--)
			v |= (*(it++) - '0') << j;
		res[i] = v;
	}

	for (int e : res)
		output(e);
}

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 29
• Subtask 5: 0 / 19