結果
問題 | No.2964 Obstruction Bingo |
ユーザー | ArcAki |
提出日時 | 2024-11-16 17:48:19 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,928 bytes |
コンパイル時間 | 609 ms |
コンパイル使用メモリ | 82,256 KB |
実行使用メモリ | 77,668 KB |
最終ジャッジ日時 | 2024-11-16 17:48:30 |
合計ジャッジ時間 | 9,427 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 48 ms
60,672 KB |
testcase_01 | AC | 48 ms
61,568 KB |
testcase_02 | AC | 62 ms
68,224 KB |
testcase_03 | AC | 48 ms
61,312 KB |
testcase_04 | AC | 48 ms
61,312 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 55 ms
63,360 KB |
testcase_47 | AC | 53 ms
63,616 KB |
testcase_48 | AC | 93 ms
76,924 KB |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
ソースコード
from collections import deque, defaultdict as dd from copy import deepcopy from heapq import heappop, heappush, heappushpop, heapify INF = 1 << 60 MOD = 998244353 def fast_mod_pow(x, p, m): res = 1 t = x z = p while z > 0: if z % 2 == 1: res = (res * t) % m t = (t * t) % m z //= 2 return res def extended_gcd(a, b): if b == 0: return a, 1, 0 else: g, x, y = extended_gcd(b, a % b) return g, y, x - (a // b) * y def mod_inverse(a, m): _, x, _ = extended_gcd(a, m) return (x % m + m) % m def main(): l, k = map(int, input().split()) s = list(input()) t = list(input()) a = list(map(int, input().split())) ac = sum(a) div = mod_inverse(ac, MOD) for i in range(26): a[i] = (a[i]*div)%MOD z = ord("a") for i in range(l): s[i] = ord(s[i])-z t[i] = ord(t[i])-z dp = [[0 for _ in range(2*l+1)]for _ in range(l)] dp[0][l] = 1 for _ in range(k): ndp = [[0 for _ in range(2 * l + 1)] for _ in range(l)] for i in range(l): ndp[i][0] = (ndp[i][0]+dp[i][0])%MOD ndp[i][2*l] = (ndp[i][2*l]+dp[i][2*l])%MOD for j in range(1, 2*l): idx1, idx2 = s[i], t[(i+j-l)%l] if idx1==idx2: ndp[i][j] = (ndp[i][j]+dp[i][j]*(MOD+1-a[idx1]))%MOD ndp[(i+1)%l][j] = (ndp[(i+1)%l][j]+dp[i][j]*a[idx1])%MOD else: ndp[i][j] = (ndp[i][j]+dp[i][j]*(2*MOD+1-a[idx1]-a[idx2])%MOD)%MOD ndp[(i+1)%l][j+1] = (ndp[(i+1)%l][j+1]+dp[i][j]*a[idx1])%MOD ndp[i][j-1] = (ndp[i][j-1]+dp[i][j]*a[idx2])%MOD dp = ndp ans1, ans2 = 0, 0 for i in range(l): ans1 = (ans1+dp[i][2*l])%MOD ans2 = (ans2+dp[i][0])%MOD print(ans1, ans2) if __name__ == "__main__": main()