結果

問題 No.5001 排他的論理和でランニング
ユーザー naimonon77naimonon77
提出日時 2018-12-07 16:59:17
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 63 ms / 1,500 ms
コード長 3,926 bytes
コンパイル時間 2,472 ms
実行使用メモリ 11,044 KB
スコア 27,552,508
最終ジャッジ日時 2020-03-12 21:11:44
ジャッジサーバーID
(参考情報)
judge7 /
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 55 ms
7,264 KB
testcase_01 AC 9 ms
5,380 KB
testcase_02 AC 13 ms
5,376 KB
testcase_03 AC 30 ms
5,472 KB
testcase_04 AC 62 ms
7,860 KB
testcase_05 AC 23 ms
5,376 KB
testcase_06 AC 33 ms
5,380 KB
testcase_07 AC 38 ms
5,688 KB
testcase_08 AC 63 ms
9,864 KB
testcase_09 AC 3 ms
5,376 KB
testcase_10 AC 19 ms
5,380 KB
testcase_11 AC 27 ms
5,376 KB
testcase_12 AC 17 ms
5,376 KB
testcase_13 AC 57 ms
10,224 KB
testcase_14 AC 36 ms
6,388 KB
testcase_15 AC 21 ms
5,384 KB
testcase_16 AC 10 ms
5,376 KB
testcase_17 AC 15 ms
5,376 KB
testcase_18 AC 34 ms
6,212 KB
testcase_19 AC 23 ms
5,384 KB
testcase_20 AC 17 ms
5,376 KB
testcase_21 AC 17 ms
5,376 KB
testcase_22 AC 7 ms
5,380 KB
testcase_23 AC 5 ms
5,380 KB
testcase_24 AC 20 ms
5,380 KB
testcase_25 AC 43 ms
5,636 KB
testcase_26 AC 35 ms
5,376 KB
testcase_27 AC 23 ms
5,384 KB
testcase_28 AC 39 ms
5,720 KB
testcase_29 AC 44 ms
6,176 KB
testcase_30 AC 10 ms
5,380 KB
testcase_31 AC 38 ms
6,576 KB
testcase_32 AC 17 ms
5,376 KB
testcase_33 AC 61 ms
11,044 KB
testcase_34 AC 61 ms
8,128 KB
testcase_35 AC 38 ms
5,796 KB
testcase_36 AC 53 ms
7,208 KB
testcase_37 AC 39 ms
7,420 KB
testcase_38 AC 17 ms
5,380 KB
testcase_39 AC 23 ms
5,384 KB
testcase_40 AC 28 ms
5,380 KB
testcase_41 AC 8 ms
5,376 KB
testcase_42 AC 25 ms
5,384 KB
testcase_43 AC 29 ms
5,380 KB
testcase_44 AC 46 ms
6,560 KB
testcase_45 AC 51 ms
7,080 KB
testcase_46 AC 46 ms
5,868 KB
testcase_47 AC 23 ms
5,380 KB
testcase_48 AC 17 ms
6,148 KB
testcase_49 AC 49 ms
7,496 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#define NOMINMAX
#define TEST_MODE true

#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, a, b) for (int i = (a); i < (int)(b); ++i)
#define rrep(i, n) for (int i = (n)-1; i >= 0; --i)
#define rrep2(i, a, b) for (int i = (a)-1; i >= (int)b; --i)
#define range(i, a, b, c) for (int i = a;             \
                                   c > 0 ? i < b : i > b; \
                                   i += c)
#define chmax(a, b) (a = (a) < (b) ? (b) : (a))
#define chmin(a, b) (a = (a) > (b) ? (b) : (a))
using ll = long long;
using ull = unsigned long long;
using ld = long double;
#define all(a) begin(a), end(a)
#define ifnot(a) if (not(a))
#define int long long

#ifdef LOCAL_ENV

#if TEST_MODE == true
const bool test = true;
#define dump(x) cerr << #x << " : " << (x) << " "
#define dumpl(x) dump(x) << endl
#else
const bool test = false;
#define dump(x) 
#define dumpl(x)
#endif

#else
const bool test = false;
#define dump(x) 
#define dumpl(x)
#endif

int dx[] = { 1, 0, -1, 0 };
int dy[] = { 0, 1, 0, -1 };
const int INF = (int)1 << 60;
const int undefined = INF;
const ll INFL = (ll)1 << 60;
ll mod_n = (int)1e9 + 7;
const double eps = 1e-10;
typedef long double Real;
// return -1, 0, 1
int sgn(const Real &r) { return (r > eps) - (r < -eps); }
int sgn(const Real &a, const Real &b) { return sgn(a - b); }

//.....................
const int MAX = (int)2e5 + 5;

vector<string> split(const string &str, char sep)
{
	vector<string> v;
	stringstream ss(str);
	string buffer;
	while (getline(ss, buffer, sep))
	{
		v.push_back(buffer);
	}
	return v;
}

string join(const vector<string>& v, const string delim = 0) {
	string s;
	if (!v.empty()) {
		s += v[0];
		for (decltype(v.size()) i = 1, c = v.size(); i < c; ++i) {
			if (delim != "") s += delim;
			s += v[i];
		}
	}
	return s;
}

template <class InputIterator>
int sum(InputIterator begin, InputIterator end)
{
	return accumulate(begin, end, 0ll);
}

template<typename T>
T gcd(T a, T b)
{
	T c;
	while (a != 0) {
		c = a; a = b%a;  b = c;
	}
	return b;
}

template<typename T>
T bit_count(T N) {
	T cnt = 0;
	while (N) {
		if (N & 1) cnt++;
		N >>= 1;
	}
	return cnt;
}

template<typename T>
void print_vec(ostream& ostream, vector<T> a) {
	rep(i, a.size() - 1) ostream << a[i] << " ";
	ostream << a.back() << endl;
}

ll pow_n(ll x,ll n) {
	ll res = 1;
	while (n > 0) {
		if (n & 1) res = res * x;
		x = x * x;
		n >>= 1;
	}
	return res;
}

class Solver {
public:
	int H, W;

	bool grid_ng(int y, int x) {
		return y < 0 || y >= H || x < 0 || x >= W;
	}

	struct Point {
		int x, y;
		bool operator < (const Point& r) const {
			if (y != r.y) return y < r.y;
			return x < r.x;
		}
	};

	int N, M;
	vector<int> A, selected, ans;
	int ans_v = 0;
	int cnt = 0;
	int cur = 0;

	void add() {
		while (true) {
			//dump(cnt);
			//cerr << "add" << endl;
			int v = rand() % N;
			if (selected[v]) continue;
			selected[v] = true;
			cnt += 1;
			cur ^= A[v];
			break;
		}
	}

	void remove() {
		while (true) {
			//cerr << "remove" << endl;
			int v = rand() % N;
			if (not selected[v]) continue;
			selected[v] = false;
			cnt -= 1;
			cur ^= A[v];
			break;
		}
	}

	void solve() {
		cin >> N >> M;
		A.resize(N);
		rep(i, N) cin >> A[i];
		
		selected.resize(N); 
		rep(i, M) add();

		rep(i, (int)1e3) {
			cur ^= A[rand() % N];
			add();
			remove();
			if (cur > ans_v) {
				ans_v = cur;
				ans = selected;
			}
		}
		vector<string> res; 
		rep(i, N) {
			if (ans[i]) res.push_back(to_string(A[i]));
		}
		cout << join(res, " ") << endl;
		dumpl(ans_v);
	}
};

signed main()
{
	srand((unsigned int)time(NULL));
	cout << fixed << setprecision(20);
	auto ptr = new Solver();
	ptr->solve();
	delete ptr;
	//while (true) {
	//	if (cin.eof() == true) break;
	//	auto ptr = new Solver();
	//	ptr->solve();
	//	delete ptr;
	//}
	return 0;
}
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