Submission #500291

#	Time	Username	Problem	Language	Result	Execution time	Memory
500291		aryan12	앵무새 (IOI11_parrots)	C++17	81 / 100	3 ms	1048 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;

void encode(int N, int M[]) {
    for(int i = 0; i < N; i++) {
        vector<int> pos1;
        int cnt1 = 0;
        for(int j = 0; j < 9; j++) {
            if((1 << j) & M[i]) {
                cnt1++;
                pos1.push_back(j);
            }
        }
        int sent_num = 0;
        sent_num += (8 * i); 
        for(int j = 0; j < pos1.size(); j++) {
            send(sent_num + pos1[j]);
        }
    }
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;

void decode(int N, int L, int X[]) {
    vector<int> one_bits[N];
    for(int i = 0; i < L; i++) {
        int cur_num = X[i];
        int pos = cur_num / 8;
        cur_num %= 8;
        one_bits[pos].push_back(cur_num);
    }
    for(int i = 0; i < N; i++) {
        int ans = 0;
        for(int j = 0; j < one_bits[i].size(); j++) {
            ans += (1 << one_bits[i][j]);
        }
        output(ans);
    }
}

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:18:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         for(int j = 0; j < pos1.size(); j++) {
      |                        ~~^~~~~~~~~~~~~

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:16:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         for(int j = 0; j < one_bits[i].size(); j++) {
      |                        ~~^~~~~~~~~~~~~~~~~~~~

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