Submission #79846

#	Time	Username	Problem	Language	Result	Execution time	Memory
79846		doowey	앵무새 (IOI11_parrots)	C++14	24 / 100	10 ms	1776 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
 
using namespace std;
 
void encode(int n, int arr[])
{
	vector<int> qr;
	int x;
	for(int i = 0 ; i < n; i ++ ){
		x = arr[i];
		for(int j = 0 ;j < 4; j ++ ){
			qr.push_back(x % 4);
			x /= 4;
		}
	}
	for(int t = 0; t < qr.size(); t ++ ){
		for(int e = 0; e < qr[t]; e ++ )
			send(t);
	}
}

decoder

    #include <bits/stdc++.h>
    #include "decoder.h"
    #include "decoderlib.h"
     
    using namespace std;
     
     
    void decode(int n, int k, int x[]){
    	int m = n * 4;
    	vector<int> qr(m);
    	for(int i = 0 ; i < m ; i ++ )
    		qr[i] = 0;
    	for(int d = 0 ; d < k; d ++ ){
    		qr[x[d]] ++ ;
    	}
    	int l, r;
    	int p;
    	int sm;
    	for(int i = 0 ; i < n; i ++ ){
    		l = i * 4;
    		r = l + 4;
    		p = 1;
    		sm = 0;
    		for(int z = l; z < r; z ++ ){
    			sm += qr[z] * p;
    			p *= 4;
    		}
    		output(sm);
    	}
    }

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:18:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int t = 0; t < qr.size(); t ++ ){
                 ~~^~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 18
• Subtask 4: 0 / 29
• Subtask 5: 7 / 19