結果

問題 No.2061 XOR Sort
ユーザー 👑 rin204rin204
提出日時 2022-08-26 22:27:02
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,200 ms / 2,000 ms
コード長 3,734 bytes
コンパイル時間 201 ms
コンパイル使用メモリ 82,432 KB
実行使用メモリ 295,348 KB
最終ジャッジ日時 2024-04-22 00:32:43
合計ジャッジ時間 14,069 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge2
このコードへのチャレンジ
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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 43 ms
52,224 KB
testcase_01 AC 50 ms
52,352 KB
testcase_02 AC 43 ms
52,736 KB
testcase_03 AC 48 ms
59,008 KB
testcase_04 AC 43 ms
52,352 KB
testcase_05 AC 50 ms
58,752 KB
testcase_06 AC 50 ms
58,880 KB
testcase_07 AC 47 ms
58,112 KB
testcase_08 AC 44 ms
52,352 KB
testcase_09 AC 49 ms
58,624 KB
testcase_10 AC 44 ms
52,736 KB
testcase_11 AC 44 ms
52,736 KB
testcase_12 AC 50 ms
59,392 KB
testcase_13 AC 43 ms
52,352 KB
testcase_14 AC 533 ms
180,496 KB
testcase_15 AC 543 ms
180,884 KB
testcase_16 AC 1,200 ms
294,692 KB
testcase_17 AC 557 ms
216,468 KB
testcase_18 AC 562 ms
216,032 KB
testcase_19 AC 555 ms
216,296 KB
testcase_20 AC 135 ms
92,416 KB
testcase_21 AC 265 ms
131,136 KB
testcase_22 AC 437 ms
180,304 KB
testcase_23 AC 81 ms
71,680 KB
testcase_24 AC 1,059 ms
294,960 KB
testcase_25 AC 1,072 ms
294,452 KB
testcase_26 AC 1,057 ms
295,348 KB
testcase_27 AC 1,082 ms
294,832 KB
testcase_28 AC 1,060 ms
294,960 KB
testcase_29 AC 205 ms
86,600 KB
testcase_30 AC 44 ms
52,224 KB
testcase_31 AC 104 ms
77,184 KB
testcase_32 AC 47 ms
52,352 KB
testcase_33 AC 47 ms
52,480 KB
testcase_34 AC 47 ms
52,736 KB
testcase_35 AC 51 ms
52,864 KB
testcase_36 AC 45 ms
52,480 KB
testcase_37 AC 46 ms
53,248 KB
testcase_38 AC 43 ms
52,608 KB
testcase_39 AC 44 ms
52,608 KB
testcase_40 AC 45 ms
52,480 KB
testcase_41 AC 44 ms
52,864 KB
testcase_42 AC 45 ms
52,992 KB
testcase_43 AC 45 ms
52,992 KB
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ソースコード

diff # 

class Binary_Trie_Vertex:
    def __init__(self):
        self.left = None
        self.right = None
        self.parent = None
        self.size = 0

class Binary_Trie:
    def __init__(self, logn, ismulti = False):
        self.logn = logn
        self.root = Binary_Trie_Vertex()
        self.bi = [1 << i for i in range(logn)]
        self.multi = ismulti
        self.tf = [False] * logn
        
    def add(self, x):
        V = self.root
        plus = False
        for i in range(self.logn - 1, -1, -1):
            if x >> i & 1:
                if V.right is None:
                    V.right = Binary_Trie_Vertex()
                    V.right.parent = V
                    plus = True
                if V.left is not None:
                    self.tf[i] = True
                V = V.right
                
            else:
                if V.left is None:
                    V.left = Binary_Trie_Vertex()
                    V.left.parent = V
                    plus = True
                if V.right is not None:
                    self.tf[i] = True
                V = V.left
        if plus or self.multi:
            while V.parent is not None:
                V.size += 1
                V = V.parent
            V.size += 1

    def remove(self, x):
        V = self.root
        for i in range(self.logn - 1, -1, -1):
            if x >> i & 1:
                if V.right is None:
                    return False
                V = V.right
            else:
                if V.left is None:
                    return False
                V = V.left
        V2 = V
        while V2.parent is not None:
            V2.size -= 1
            V2 = V2.parent
        V2.size -= 1
        while V.size == 0 and V != self.root:
            P = V.parent
            if P.right == V:
                P.right = None
            else:
                P.left = None
            if P.right is None and P.left is None:
                pass
            else:
                return True
            V = P
        return True
    
    def search(self, x):
        V = self.root
        for i in range(self.logn - 1, -1, -1):
            if x >> i & 1:
                if V.right is None:
                    return False
                V = V.right
            else:
                if V.left is None:
                    return False
                V = V.left
        return True
    
    def xor_min(self, x):
        xor = 0
        V = self.root
        for i in range(self.logn - 1, -1, -1):
            if x >> i & 1:
                if V.right is not None:
                    V = V.right
                else:
                    xor += self.bi[i]
                    V = V.left
            else:
                if V.left is not None:
                    V = V.left
                else:
                    xor += self.bi[i]
                    V = V.right
        return xor
        
    def __getitem__(self, k):
        return self.Kth_element(k)
    
    def Kth_element(self, k):
        if k < 0:
            k = self.root.size + k
        k += 1
        if k > self.root.size or k <= 0:
            return None
        ret = 0
        V = self.root
        for i in range(self.logn - 1, -1, -1):
            if V.left is None:
                ret += self.bi[i]
                V = V.right
            elif V.right is None:
                V = V.left
            elif V.left.size >= k:
                V = V.left
            else:
                ret += self.bi[i]
                k -= V.left.size
                V = V.right
        return ret

MOD = 998244353

n = int(input())
A = list(map(int, input().split()))

bt = Binary_Trie(30)
for a in A:
    bt.add(a)
c = sum(bt.tf)
print(pow(2, c, MOD))
0