Submission #29095

#	Time	Username	Problem	Language	Result	Execution time	Memory
29095		aybala	Parrots (IOI11_parrots)	C++11	81 / 100	8 ms	2456 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include<bits/stdc++.h>
#define fori(a,b,c) for(a=b; a<c; a++)
#define ford(a,b,c) for(a=b; a>=c; a--)
#define mp make_pair
#define pb push_back
#define ll long long
#define pii pair<int,int>
using namespace std;

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

	for(i=0; i<N; i++){
		int x=2;
		int y=0;
		while(M[i]){
			if(M[i]%x){
				send(i*8+y);
				M[i]-=(x/2);
			}
			y++;
			x*=2;
		
		}
		
	}
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include<bits/stdc++.h>
#define fori(a,b,c) for(a=b; a<c; a++)
#define ford(a,b,c) for(a=b; a>=c; a--)
#define mp make_pair
#define pb push_back
#define ll long long
#define pii pair<int,int>
using namespace std;

int us[8]={1,2,4,8,16,32,64,128};

void decode(int N, int L, int X[])
{
	sort(X,X+L);
	int i,j,k;
	j=0;
	fori(i,0,N){
		int cod=0;
		while(j<L && X[j]<=i*8+7){
			X[j]-=i*8;
			cod+=us[X[j]];
			j++;
			
			
		}
		output(cod);
	}
}

Compilation message (stderr)

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:17:10: warning: unused variable 'k' [-Wunused-variable]
  int i,j,k;
          ^

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