Submission #1308686

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308686		AMel0n	Data Transfer (IOI19_transfer)	C++20	15 / 100	142 ms	2112 KiB

transfer

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

typedef long long ll;
#define FOR(i, N) for(int i = 0; i < N; i++)
#define all(x) (x).begin(), (x).end()
#define F first
#define S second

#include "transfer.h"

std::vector<int> get_attachment(std::vector<int> source) {
	vector<int> res;
	FOR(i, (int)source.size()) res.push_back(source[i]);
	res.push_back(accumulate(source.begin(), source.end(), 0) % 2);
	return res;
}

std::vector<int> retrieve(std::vector<int> data) {
	vector<int> res;
	int N = (data.size()-1)/2;
	int poop = 1000000000;
	FOR(i, N) {
		if (data[i] != data[i + N]) {
			poop = i;
			break;
		}
	}
	if (poop == 1000000000) {
		FOR(i, N) res.push_back(data[i]);
	} else {
		int p1 = accumulate(data.begin(), data.begin() + N, 0) % 2;
		int p2 = accumulate(data.begin() + N, data.begin() + 2 * N, 0) % 2;
		if (p1 != data.back()) FOR(i, N) res.push_back(data[i+N]);
		else FOR(i, N) res.push_back(data[i]);
	}
	return res;
}

Compilation message (stderr)

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: 9 / 60
• Subtask 2: 6 / 40