Submission #39243

#	Time	Username	Problem	Language	Result	Execution time	Memory
39243		steve11344	Parrots (IOI11_parrots)	C++14	52 / 100	5 ms	2176 KiB

encoder

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

void encode(int N, int M[])
{
    int i;
    int priority=0;
    int message = 0;
    int mymaptbl[4] ={0xC0,0x30,0x0C,0x03};
    for(i=0; i<N; i++){
        message = 0;
        priority = i;
        for(int j = 0 ; j < 4; j++){
            message |= priority<<4;
            message |= j<<2;
            message |= (M[i]&mymaptbl[j])>>(6-(2*j));
            send(message);
            message = 0;
        }
    }
  return;
}

decoder

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

void decode(int N, int L, int X[])
{
    int i, b,prio,place=0;
    int arr[32]={0,};
    for(i=0; i<L; i++) {
        prio = X[i];
        prio = prio>>4;
        place = (X[i]&0x0C)>>2;
        arr[prio] |= ((X[i]&0x03)<<(6-(2*place)));
    }
    for(int i = 0 ; i<N; i++) output(arr[i]);
  return;
}

Compilation message (stderr)

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:6:12: warning: unused variable 'b' [-Wunused-variable]
     int i, b,prio,place=0;
            ^

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