제출 #1336128

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1336128		boclobanchat	Data Transfer (IOI19_transfer)	C++20	0 / 100	4 ms	1724 KiB

transfer

#include"transfer.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> get_attachment(vector<int> source)
{
	int s=0;
	for(int i=0;i<source.size();i++) if(source[i]) s^=i+1;
	vector<int> ans;
	if(source.size()==63) for(int j=5;j+1;j--) ans.push_back((s>>j)%2);
	else for(int j=7;j+1;j--) ans.push_back((s>>j)%2);
	ans.push_back(__builtin_popcount(s)%2);
	return ans;
}
vector<int> retrieve(vector<int> data)
{
	if(data.size()==70)
	{
		int s1=0,s2=0;
		vector<int> ans;
		for(int i=0;i<63;i++)
		{
			if(data[i]) s1^=i+1;
			ans.push_back(data[i]);
		}
		for(int i=63;i<69;i++) s2=s2*2+data[i];
		if(s2%2==data[69]) ans[(s1^s2)-1]^=1;
		return ans;
	}
	else
	{
		int s1=0,s2=0;
		vector<int> ans;
		for(int i=0;i<255;i++)
		{
			if(data[i]) s1^=i+1;
			ans.push_back(data[i]);
		}
		for(int i=255;i<263;i++) s2=s2*2+data[i];
		if(s2%2==data[263]) ans[(s1^s2)-1]^=1;
		return ans;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

grader.cpp: In instantiation of 'void shuffle(std::vector<T>&) [with T = Scenario]':
grader.cpp:200:10:   required from here
grader.cpp:28:23: warning: 'void std::random_shuffle(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<Scenario*, vector<Scenario> >]' is deprecated: use 'std::shuffle' instead [-Wdeprecated-declarations]
   28 |         random_shuffle(v.begin(), v.end());
      |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61,
                 from grader.cpp:8:
/usr/include/c++/13/bits/stl_algo.h:4581:5: note: declared here
 4581 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~~~~~~~~~~~

• Subtask 1: 0 / 60
• Subtask 2: 0 / 40