Submission #784932

#	Time	Username	Problem	Language	Result	Execution time	Memory
784932		AbdelmagedNour	Parrots (IOI11_parrots)	C++17	Compilation error	0 ms	0 KiB

encoder

#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
void encode(int N, int M[]){
    vector<int>ones,zeros;
    for(int i=0;i<N;i++){
        for(int j=0;j<8;j++){
            if(M[i]&(1<<j))ones.push_back(i*8+j);
            else zeros.push_back(i*8+j);
        }
    }
    vector<int>res;
    if(ones.size()<=N*8-ones.size()+2){
        res=ones;
    }else{
        zeros.push_back(0);
        zeros.push_back(0);
        res=zeros;
    }
    for(int i=0;i<res.size();i++)send(res[i]);
}
void decode(int N, int L, int X[]){
    int cnt=count(X,X+L,0);
    int res[N]={};
    if(cnt>=2)fill(res,res+N,255);
    for(int i=0;i<L;i++)res[X[i]/8]^=(1<<(X[i]%8));
    for(int i=0;i<N;i++)output(res[i]);
}

decoder

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i=0;i<res.size();i++)send(res[i]);
      |                 ~^~~~~~~~~~~
encoder.cpp:20:34: error: 'send' was not declared in this scope
   20 |     for(int i=0;i<res.size();i++)send(res[i]);
      |                                  ^~~~
encoder.cpp: In function 'void decode(int, int, int*)':
encoder.cpp:27:25: error: 'output' was not declared in this scope
   27 |     for(int i=0;i<N;i++)output(res[i]);
      |                         ^~~~~~

/usr/bin/ld: /tmp/cc13Tbxc.o: in function `main':
grader_decoder.cpp:(.text.startup+0x1ef): undefined reference to `decode(int, int, int*)'
collect2: error: ld returned 1 exit status