Submission #23618

#	Time	Username	Problem	Language	Result	Execution time	Memory
23618		Hiasat	Parrots (IOI11_parrots)	C++14	34 / 100	5 ms	2096 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"

#include <bits/stdc++.h>



using namespace std;

string to_s(int num){
	int tmp = num;
	string r = "";
	if(num == 0)
		r = '0';
	while(tmp){
		r +=(char)((tmp%10) + '0');
		tmp /= 10;
	}
	reverse(r.begin(),r.end());
	return r;
}
int toNum(string r){
	int num = 0;
	for (int i = 0; i < r.size(); ++i){
		num *= 10;
		num += (r[i]-'0');
	}
	return num;
}
void encode(int N, int M[])
{
  for(int i=0; i<N; i++){
  	string cur = to_s(M[i]);
 	string f = to_s(i);
 	if(f.size() == 1) f = '0' + f;
 	cur = cur + f;
    send(toNum(cur));  	
  }
}

decoder

#include "decoder.h"
#include "decoderlib.h"

#include <bits/stdc++.h>



using namespace std;

string to_s1(int num){
	int tmp = num;
	string r = "";
	if(num == 0)
		r = '0';
	while(tmp){
		r +=(char)((tmp%10) + '0');
		tmp /= 10;
	}
	reverse(r.begin(),r.end());
	return r;
}

int ans[110];

void decode(int N, int L, int X[])
{	
  int i, b;
  for(i=0; i<L; i++) {
  	string cur = to_s1(X[i]);
  	int test = 0;
  	for (int j = (int)cur.size() - 2 ; j <= (int)cur.size()-1; ++j){
  		if(j < 0)
  			continue;
  		test *= 10;
  		test += (cur[j]-'0');
  	}
  	int num = 0;
  	for (int j = 0; j < (int)cur.size() - 2 ; ++j){
  		num *= 10;
  		num += (cur[j]-'0');
  	}
  	ans[test] = num;
  }
  for (int i = 0; i < N; ++i){
  	output(ans[i]);
  }
}

Compilation message (stderr)

encoder.cpp: In function 'int toNum(std::__cxx11::string)':
encoder.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < r.size(); ++i){
                  ~~^~~~~~~~~~

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:27:10: warning: unused variable 'b' [-Wunused-variable]
   int i, b;
          ^

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