結果
| 問題 |
No.1677 mæx
|
| コンテスト | |
| ユーザー |
ansain
|
| 提出日時 | 2021-09-10 22:53:50 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 354 ms / 2,000 ms |
| コード長 | 2,290 bytes |
| コンパイル時間 | 521 ms |
| コンパイル使用メモリ | 82,176 KB |
| 実行使用メモリ | 144,344 KB |
| 最終ジャッジ日時 | 2024-06-12 02:42:07 |
| 合計ジャッジ時間 | 6,906 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 18 |
ソースコード
import sys
from collections import defaultdict, Counter, deque
from itertools import permutations, combinations, product, combinations_with_replacement, groupby, accumulate
import operator
from math import sqrt, gcd, factorial
#from math import isqrt, prod, comb #python3.8用(notpypy)
from bisect import bisect_left, bisect_right
#from functools import lru_cache, reduce
#from heapq import heappush, heappop, heapify, heappushpop, heapreplace
#import numpy as np
#import networkx as nx
#from networkx.utils import UnionFind
#from numba import njit, b1, i1, i4, i8, f8
#numba例 @njit(i1(i4[:], i8[:, :]),cache=True) 引数i4配列、i8 2次元配列,戻り値i1
#from scipy.sparse import csr_matrix
#from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson, NegativeCycleError, maximum_bipartite_matching, maximum_flow, minimum_spanning_tree
def input(): return sys.stdin.readline().rstrip()
def divceil(n, k): return 1+(n-1)//k # n/kの切り上げを返す
def yn(hantei, yes='Yes', no='No'): print(yes if hantei else no)
sys.setrecursionlimit(6*10**4)
def mex(a,b):
if 0 not in [a,b]:
return 0
elif 1 not in [a,b]:
return 1
else:
return 2
def main():
mod = 10**9+7
mod2 = 998244353
s=input()
acc=list(accumulate([1 if ss=='(' else -1 if ss==')' else 0 for ss in s]))
check=defaultdict(list)
for i in range(len(s)):
if s[i]==',':
check[acc[i]].append(i)
#print(check)
def solve(l,r):
if s[l]!='m':
if s[l]=='?':
return [1,1,1]
else:
ans=[0,0,0]
ans[int(s[l])]=1
return ans
else:
#print(bisect_right(check[acc[l]], l))
mid=check[acc[l+4]][bisect_right(check[acc[l+4]], l)]
a1=solve(l+4,mid)
a2=solve(mid+1,r)
ans=[0,0,0]
op={'a':[max],'e':[mex],'?':[max,mex]}
for o in op[s[l+1]]:
for i in range(3):
for j in range(3):
ans[o(i,j)]+=a1[i]*a2[j]
for i in range(3):
ans[i]%=mod2
return ans
print(solve(0,len(s))[int(input())])
if __name__ == '__main__':
main()
ansain