Submission #392930

#	Time	Username	Problem	Language	Result	Execution time	Memory
392930		Hazem	Parrots (IOI11_parrots)	C++14	52 / 100	3 ms	1028 KiB

encoder

//#include "encoder.h"
#include "encoderlib.h"
//#include "grader.cpp"

int get_val(int x,int l,int r){

	int ret1 = 0;
	for(int i=l;i<=r;i++)
		if((1<<i)&x)ret1 |= 1<<(i-l);
		
	return ret1;
    
}


void encode(int N, int M[])
{ 

	int n = N;
	for(int i=0;i<n;i++){
		int val = i<<4;
		for(int j=0;j<4;j++){
			int val1 = val;
			val1 |= j<<2;
			val1 |= get_val(M[i],j*2,j*2+1);
			send(val1);
		}
	}
}

decoder

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

int get_val1(int x,int l,int r){

	int ret1 = 0;
	for(int i=l;i<=r;i++)
		if((1<<i)&x)ret1 |= 1<<(i-l);
		
	return ret1;
    
}

void decode(int N, int L, int X[])
{
	
	sort(X,X+L);
	
	for(int i=0;i<L;i++){
		//printf("%d ",X[i]);
		
		if(i%4!=0)continue;
		int val = 0;
		for(int j=i;j<i+4;j++){
			val |= get_val1(X[j],0,1)<<(j-i)*2;
			//printf("%d ",val);
		}
		
		//puts("");
		//printf("%d ",val);
		output(val);
	}
}

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