結果
問題 | No.1072 A Nice XOR Pair |
ユーザー | McGregorsh |
提出日時 | 2022-07-09 09:08:01 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,753 bytes |
コンパイル時間 | 233 ms |
コンパイル使用メモリ | 82,584 KB |
実行使用メモリ | 133,036 KB |
最終ジャッジ日時 | 2024-06-09 14:30:37 |
合計ジャッジ時間 | 3,643 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 127 ms
89,632 KB |
testcase_01 | AC | 120 ms
89,544 KB |
testcase_02 | AC | 122 ms
89,512 KB |
testcase_03 | AC | 126 ms
89,624 KB |
testcase_04 | WA | - |
testcase_05 | AC | 124 ms
89,592 KB |
testcase_06 | AC | 152 ms
90,708 KB |
testcase_07 | AC | 374 ms
133,036 KB |
testcase_08 | AC | 245 ms
97,852 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 300 ms
112,528 KB |
testcase_12 | AC | 313 ms
130,632 KB |
ソースコード
import sys, re from fractions import Fraction from math import ceil, floor, sqrt, pi, factorial, gcd from copy import deepcopy from collections import Counter, deque, defaultdict from heapq import heapify, heappop, heappush from itertools import accumulate, product, combinations, combinations_with_replacement, permutations from bisect import bisect, bisect_left, bisect_right from functools import reduce from decimal import Decimal, getcontext def i_input(): return int(input()) def i_map(): return map(int, input().split()) def i_list(): return list(i_map()) def i_row(N): return [i_input() for _ in range(N)] def i_row_list(N): return [i_list() for _ in range(N)] def s_input(): return input() def s_map(): return input().split() def s_list(): return list(s_map()) def s_row(N): return [s_input for _ in range(N)] def s_row_str(N): return [s_list() for _ in range(N)] def s_row_list(N): return [list(s_input()) for _ in range(N)] def lcm(a, b): return a * b // gcd(a, b) def get_distance(x1, y1, x2, y2): d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2) return d def rotate(table): n_fild = [] for x in zip(*table[::-1]): n_fild.append(x) return n_fild sys.setrecursionlimit(10 ** 7) INF = float('inf') MOD = 10 ** 9 + 7 MOD2 = 998244353 ###関数コピーしたか?### def main(): n, x = i_map() A = [] nums = set() count_a = defaultdict(int) for i in range(n): num = int(input()) nums.add(num) A.append(num) count_a[num] += 1 ans = 0 for i in range(n): point = A[i] ^ x if point in nums: ans += count_a[A[i]] * count_a[point] count_a[A[i]] = 0 count_a[point] = 0 print(ans) if __name__ == '__main__': main()