Submission #628089

#	Time	Username	Problem	Language	Result	Execution time	Memory
628089		abcvuitunggio	Parrots (IOI11_parrots)	C++17	0 / 100	2 ms	1036 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void encode(int N, int M[])
{
    vector <int> v;
    for (int i=0;i<N;i++){
        while (M[i]){
            v.push_back(M[i]%4);
            M[i]/=4;
        }
    }
    for (int i=1;i<v.size();i++)
        v[i]+=v[i-1];
    for (int i:v)
        send(i);
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <algorithm>
using namespace std;
void decode(int N, int L, int X[])
{
  sort(X,X+L);
  for (int i=L;i;i--)
    X[i]-=X[i-1];
  for (int i=0;i<L/4;i++){
    int res=0;
    for (int j=3;j>=0;j--)
        res=res*4+X[i*4+j];
    output(res);
  }
}

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for (int i=1;i<v.size();i++)
      |                  ~^~~~~~~~~

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