Submission #52131

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
52131	2018-06-24T06:09:04 Z	노영훈(#1330, Diuven)	Parrots (IOI11_parrots)	C++11	Compilation error	0 ms	0 KB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <iostream>
using namespace std;

void encode(int N, int M[]){
    int n=N;
    if(n<=32){
        for(int i=0; i<n; i++){
            int base=i<<3, x=M[i];
            for(int j=0; j<4; j++){
                int now=base+(j<<1)+x%2;
                send(now);
                if(x&(1<<1)) send(now);
                x>>=2;
            }
        }
    }
    else{

        for(int i=0; i<n; i++){
            int base=i<<2, x=M[i];
            for(int j=0; j<4; j++){
                int now=base+j;
                for(int k=0; k<x%4; k++)
                    send(now);
                x>>=2;
            }
        }
    }
    // cout<<"ENCODE!!\n";
    // for(int i=0; i<n; i++)
    //     cout<<M[i]<<' ';
    // cout<<'\n';
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <iostream>
using namespace std;

void decode(int N, int L, int X[]){
    int ans[64]={}, n=N, l=L;
    if(n<=32){
        bool dup[255]={};
        for(int i=0; i<l; i++){
            int x=X[i];
            int idx=x>>3; x%=8;
            int pos=x>>1; x%=2;
            int val=x;
            if(dup[X[i]]) val=2;
            ans[idx]+=val<<(pos*2);
            dup[X[i]]=true;
        }
        for(int i=0; i<n; i++) output(ans[i]);
    }
    else{
        int cnt[255]={};
        for(int i=0; i<l; i++){
            cnt[x]++;
        }
        for(int i=0; i<256; i++){
            int idx=x>>2; pos=x%4;
            ans[idx]+=cnt[i]<<(pos*2);
        }
        for(int i=0; i<n; i++) output(ans[i]);
    }

    // cout<<"DECODE!!\n";
    // for(int i=0; i<n; i++){
    //     cout<<ans[i]<<' ';
    // }
    // cout<<'\n';
}

Compilation message

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:24:17: error: 'x' was not declared in this scope
             cnt[x]++;
                 ^
decoder.cpp:27:21: error: 'x' was not declared in this scope
             int idx=x>>2; pos=x%4;
                     ^
decoder.cpp:27:27: error: 'pos' was not declared in this scope
             int idx=x>>2; pos=x%4;
                           ^~~