結果
問題 | No.1072 A Nice XOR Pair |
ユーザー | McGregorsh |
提出日時 | 2022-07-09 08:59:41 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 1,719 bytes |
コンパイル時間 | 192 ms |
コンパイル使用メモリ | 82,036 KB |
実行使用メモリ | 139,308 KB |
最終ジャッジ日時 | 2024-06-09 14:22:22 |
合計ジャッジ時間 | 3,984 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 121 ms
89,616 KB |
testcase_01 | AC | 121 ms
89,412 KB |
testcase_02 | AC | 126 ms
89,692 KB |
testcase_03 | AC | 124 ms
89,648 KB |
testcase_04 | RE | - |
testcase_05 | AC | 128 ms
89,596 KB |
testcase_06 | AC | 141 ms
90,660 KB |
testcase_07 | AC | 342 ms
139,308 KB |
testcase_08 | AC | 232 ms
97,892 KB |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | AC | 268 ms
116,472 KB |
testcase_12 | AC | 295 ms
139,292 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() for i in range(n): num = int(input()) nums.add(num) A.append(num) count_a = Counter(A) ans = 0 for i in range(n): point = A[i] ^ x if point in nums: ans += count_a[A[i]] * count_a[point] nums.remove(A[i]) nums.remove(point) print(ans) if __name__ == '__main__': main()