結果
問題 | No.1952 xooooooooooor |
ユーザー | mkawa2 |
提出日時 | 2022-05-21 00:34:47 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 41 ms / 2,000 ms |
コード長 | 1,580 bytes |
コンパイル時間 | 212 ms |
コンパイル使用メモリ | 82,176 KB |
実行使用メモリ | 52,480 KB |
最終ジャッジ日時 | 2024-09-20 10:48:27 |
合計ジャッジ時間 | 2,942 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 40 ms
52,224 KB |
testcase_01 | AC | 40 ms
51,968 KB |
testcase_02 | AC | 41 ms
52,480 KB |
testcase_03 | AC | 39 ms
52,224 KB |
testcase_04 | AC | 40 ms
52,096 KB |
testcase_05 | AC | 40 ms
52,224 KB |
testcase_06 | AC | 40 ms
52,224 KB |
testcase_07 | AC | 39 ms
52,224 KB |
testcase_08 | AC | 40 ms
52,352 KB |
testcase_09 | AC | 40 ms
52,096 KB |
testcase_10 | AC | 40 ms
52,224 KB |
testcase_11 | AC | 41 ms
52,480 KB |
testcase_12 | AC | 40 ms
52,352 KB |
testcase_13 | AC | 39 ms
51,968 KB |
testcase_14 | AC | 40 ms
52,224 KB |
testcase_15 | AC | 40 ms
51,840 KB |
testcase_16 | AC | 40 ms
51,968 KB |
testcase_17 | AC | 40 ms
51,968 KB |
testcase_18 | AC | 39 ms
52,096 KB |
testcase_19 | AC | 40 ms
52,224 KB |
testcase_20 | AC | 40 ms
51,968 KB |
testcase_21 | AC | 40 ms
52,224 KB |
testcase_22 | AC | 40 ms
51,840 KB |
testcase_23 | AC | 40 ms
52,096 KB |
testcase_24 | AC | 40 ms
52,224 KB |
testcase_25 | AC | 39 ms
51,968 KB |
testcase_26 | AC | 40 ms
52,096 KB |
testcase_27 | AC | 39 ms
52,096 KB |
testcase_28 | AC | 40 ms
52,096 KB |
testcase_29 | AC | 40 ms
52,096 KB |
testcase_30 | AC | 40 ms
52,224 KB |
testcase_31 | AC | 41 ms
51,968 KB |
testcase_32 | AC | 41 ms
51,968 KB |
testcase_33 | AC | 39 ms
51,968 KB |
testcase_34 | AC | 39 ms
52,224 KB |
testcase_35 | AC | 39 ms
52,096 KB |
testcase_36 | AC | 40 ms
52,224 KB |
testcase_37 | AC | 40 ms
52,224 KB |
testcase_38 | AC | 39 ms
52,480 KB |
ソースコード
import sys sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = (1 << 63)-1 # inf = (1 << 31)-1 # md = 10**9+7 md = 998244353 n, m = LI() # pDB(bin(n)[2:]) if n==0: print(0) exit() bb = [] while n: bb.append(n & 1) n >>= 1 d = len(bb) if m-d+1 >= 0: # pDB(bb) cs = [] s = 0 for b in bb: s ^= b cs.append(s) ans = 0 if cs[-1]: ans = pow(2, m-d+1, md)-1 ans = ans*pow(2, d-1, md)%md two = 1 for b in cs[:-1]: ans += two*b ans %= md two = two*2%md cs = [] s = 0 for b in bb[::-1]: s ^= b cs.append(s) # pDB(cs) cs.pop() two = pow(2, m, md) for b in cs[::-1]: ans += two*b ans %= md two = two*2%md else: ans = 0 two = 1 x = 0 for i in range(d+m-1): if i < len(bb): x ^= bb[i] if i-m >= 0: x ^= bb[i-m] ans += x*two ans %= md two = two*2%md print(ans)