結果
問題 | No.1481 Rotation ABC |
ユーザー | mkawa2 |
提出日時 | 2024-03-02 09:21:04 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,564 bytes |
コンパイル時間 | 303 ms |
コンパイル使用メモリ | 82,900 KB |
実行使用メモリ | 97,280 KB |
最終ジャッジ日時 | 2024-09-29 15:50:49 |
合計ジャッジ時間 | 4,533 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 55 ms
77,260 KB |
testcase_01 | AC | 54 ms
77,728 KB |
testcase_02 | AC | 56 ms
77,224 KB |
testcase_03 | AC | 55 ms
77,196 KB |
testcase_04 | AC | 55 ms
77,196 KB |
testcase_05 | AC | 55 ms
78,244 KB |
testcase_06 | AC | 61 ms
77,912 KB |
testcase_07 | AC | 56 ms
78,468 KB |
testcase_08 | AC | 55 ms
78,276 KB |
testcase_09 | AC | 54 ms
77,940 KB |
testcase_10 | AC | 54 ms
77,624 KB |
testcase_11 | AC | 56 ms
77,856 KB |
testcase_12 | AC | 57 ms
77,392 KB |
testcase_13 | AC | 71 ms
92,152 KB |
testcase_14 | AC | 75 ms
93,492 KB |
testcase_15 | AC | 70 ms
92,560 KB |
testcase_16 | AC | 69 ms
90,516 KB |
testcase_17 | AC | 69 ms
89,788 KB |
testcase_18 | AC | 74 ms
95,388 KB |
testcase_19 | AC | 69 ms
88,892 KB |
testcase_20 | AC | 68 ms
89,092 KB |
testcase_21 | AC | 72 ms
94,660 KB |
testcase_22 | AC | 66 ms
89,264 KB |
testcase_23 | AC | 76 ms
96,680 KB |
testcase_24 | AC | 79 ms
96,880 KB |
testcase_25 | AC | 76 ms
97,280 KB |
testcase_26 | AC | 76 ms
96,468 KB |
testcase_27 | AC | 75 ms
97,108 KB |
testcase_28 | AC | 69 ms
91,336 KB |
testcase_29 | AC | 69 ms
90,932 KB |
testcase_30 | AC | 62 ms
84,396 KB |
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 | - |
ソースコード
import sys # sys.setrecursionlimit(200005) # sys.set_int_max_str_digits(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-(-1 << 31) inf = -1-(-1 << 62) # md = 10**9+7 md = 998244353 def nCr(com_n, com_r): if com_r < 0: return 0 if com_n < com_r: return 0 return fac[com_n]*ifac[com_r]%md*ifac[com_n-com_r]%md n_max = 200005 fac = [1] for i in range(1, n_max+1): fac.append(fac[-1]*i%md) ifac = [1]*(n_max+1) ifac[n_max] = pow(fac[n_max], md-2, md) for i in range(n_max-1, 1, -1): ifac[i] = ifac[i+1]*(i+1)%md def RLE(s): kk=[] vv=[] for c in s: if kk and kk[-1]==c: vv[-1]+=1 else: kk.append(c) vv.append(1) return kk,vv from collections import Counter n=II() aa=["ABC".find(c) for c in SI()] kk,vv=RLE(aa) if len(set(aa))<3 or len(kk)==3 and (kk[0]+2)%3==kk[1] and (kk[1]+2)%3==kk[2]: print(1) exit() cnt=Counter(aa) ans=fac[n] for c in cnt.values():ans*=ifac[c] ans-=n print(ans%md)