Submission #772912

#	Time	Username	Problem	Language	Result	Execution time	Memory
772912		ttamx	Parrots (IOI11_parrots)	C++14	81 / 100	4 ms	1080 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include<bits/stdc++.h>

using namespace std;

void encode(int N, int M[]){
	int idx=0;
	for(int i=0;i<N;i++){
		for(int j=7;j>=0;j--){
			if(M[i]>>j&1)send(idx);
			idx++;
		}
	}
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include<bits/stdc++.h>

using namespace std;

void decode(int N, int L, int X[]){
	vector<int> ans(N*8);
	for(int i=0;i<L;i++)ans[X[i]]=1;
	for(int i=0;i<N;i++){
		int res=0;
		for(int j=0;j<8;j++){
			res<<=1;
			res|=ans[i*8+j];
		}
		output(res);
	}
}

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