Submission #223993

#	Time	Username	Problem	Language	Result	Execution time	Memory
223993		peuch	Parrots (IOI11_parrots)	C++17	81 / 100	13 ms	1536 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"

void encode(int N, int M[])
{
	for(int i = 0; i < N; i++){
		int aux = 0;
		for(int j = 0; j < 5; j++)
			aux |= (1 << j) & i;
		for(int j = 0; j < 8; j++){
			if(M[i] & (1 << j)){
				send(aux | (j << 5));
			} 
		}
  	}
}

decoder

#include "decoder.h"
#include "decoderlib.h"

void decode(int N, int L, int X[])
{
  	int ans[N];
  	for(int i = 0; i < N; i++) ans[i] = 0;
	for(int i = 0; i < L; i++) {
		int id = 0;
		int bit = 0;
		for(int j = 0; j < 5; j++){
			id |= X[i] & (1 << j);
		}
		for(int j = 5; j < 8; j++){
			bit |= (X[i] & (1 << j)) >> 5;
		}
		ans[id] |= (1 << bit);
	}
	for(int i = 0; i < N; i++){
		output(ans[i]);
	}
}

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