Submission #6958622


Source Code Expand

#include <unordered_map>
#include <algorithm>
#include <iostream>
#include <string.h>
#include <cstdlib>
#include <vector>
#include <string>
#include <bitset>
#include <math.h>
#include <queue>
#include <stack>
#include <set>
#include <map>
 
typedef long long ll;
typedef long double ld;
 
const ll MOD = 1e9 + 7, INF = 1e18 + 1;
 
using namespace std;
ll l;
 
ll grundy (ll height)
{
	return (height & (-height));
}
 
struct Node
{
	bool leaf;
	Node* to[2];
 
	Node ()
	{
		leaf = false;
		to[0] = to[1] = NULL;
	}
};
 
Node* root;
 
int n, ptr;
ll s;
 
void add (string s)
{
	auto x = root;
	for (int i = 0; i < s.length (); i++)
	{
		if (!x -> to[s[i] - '0']) x -> to[s[i] - '0'] = new Node ();
		x = x -> to[s[i] - '0'];
	}
 
	x -> leaf = true;
}
 
void dfs (Node* x, ll h)
{
	if (!x) s ^= grundy (h);
	else
	{
		dfs (x -> to[0], h - 1);
		dfs (x -> to[1], h - 1);
	}
}
 
int main ()
{
	root = new Node ();
 
	cin >> n >> l;
 
	for (int i = 0; i < n; i++)
	{
		string s;
		cin >> s;
 
		add (s);
	}
 
	dfs (root, l + 1);
 
	if (!s || !n) cout << "Bob";
	else cout << "Alice";
}

Submission Info

Submission Time
Task E - Prefix-free Game
User FloyGun
Language C++14 (GCC 5.4.1)
Score 700
Code Size 1166 Byte
Status AC
Exec Time 10 ms
Memory 5120 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 6
AC × 60
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 0_05.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 0_05.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
0_04.txt AC 1 ms 256 KB
0_05.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 1 ms 256 KB
1_04.txt AC 1 ms 256 KB
1_05.txt AC 1 ms 256 KB
1_06.txt AC 10 ms 5120 KB
1_07.txt AC 9 ms 4224 KB
1_08.txt AC 7 ms 2688 KB
1_09.txt AC 9 ms 4224 KB
1_10.txt AC 9 ms 4224 KB
1_11.txt AC 5 ms 512 KB
1_12.txt AC 5 ms 256 KB
1_13.txt AC 5 ms 256 KB
1_14.txt AC 9 ms 768 KB
1_15.txt AC 9 ms 768 KB
1_16.txt AC 9 ms 768 KB
1_17.txt AC 9 ms 768 KB
1_18.txt AC 9 ms 768 KB
1_19.txt AC 9 ms 768 KB
1_20.txt AC 9 ms 768 KB
1_21.txt AC 9 ms 768 KB
1_22.txt AC 9 ms 768 KB
1_23.txt AC 9 ms 768 KB
1_24.txt AC 9 ms 768 KB
1_25.txt AC 9 ms 768 KB
1_26.txt AC 9 ms 768 KB
1_27.txt AC 9 ms 768 KB
1_28.txt AC 9 ms 768 KB
1_29.txt AC 9 ms 768 KB
1_30.txt AC 9 ms 768 KB
1_31.txt AC 9 ms 768 KB
1_32.txt AC 9 ms 768 KB
1_33.txt AC 9 ms 768 KB
1_34.txt AC 9 ms 768 KB
1_35.txt AC 9 ms 768 KB
1_36.txt AC 9 ms 768 KB
1_37.txt AC 9 ms 768 KB
1_38.txt AC 9 ms 768 KB
1_39.txt AC 9 ms 768 KB
1_40.txt AC 9 ms 768 KB
1_41.txt AC 9 ms 768 KB
1_42.txt AC 9 ms 768 KB
1_43.txt AC 9 ms 768 KB
1_44.txt AC 9 ms 768 KB
1_45.txt AC 9 ms 768 KB
1_46.txt AC 9 ms 768 KB
1_47.txt AC 9 ms 768 KB
1_48.txt AC 9 ms 768 KB
1_49.txt AC 9 ms 768 KB
1_50.txt AC 9 ms 768 KB
1_51.txt AC 9 ms 768 KB
1_52.txt AC 9 ms 768 KB
1_53.txt AC 9 ms 768 KB