結果

問題 No.3028 No.9999
コンテスト
ユーザー Michael6783746
提出日時 2025-02-21 23:27:02
言語 PyPy3
(7.3.15)
結果
MLE  
実行時間 -
コード長 1,717 bytes
コンパイル時間 329 ms
コンパイル使用メモリ 82,324 KB
実行使用メモリ 848,412 KB
最終ジャッジ日時 2025-02-21 23:27:09
合計ジャッジ時間 6,227 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 3 MLE * 1 -- * 19
権限があれば一括ダウンロードができます

ソースコード

diff # 

import math
N = int(input())

sieve_limit = int(math.sqrt(N))

prime_factor = []
prime = []

sieve = list(range(2,sieve_limit+1))
j = 0
remainder = N

while sieve:    
	factor = sieve[0]
	prime.append(factor)
	sieve = [i for i in sieve if i % factor != 0]
	while remainder % factor == 0:
		remainder //= factor
		prime_factor.append(factor)
	if remainder < factor:
		break
prime_factor.append(remainder)

#print(prime)
#print(prime_factor)
K_limit = math.lcm(*[k-1 for k in prime_factor])
#print(K_limit)
remainder = K_limit



def prime_factor_search(number):
	remainder = number
	factors = []
	for factor in prime:
		while remainder % factor == 0:
			remainder //= factor
			factors.append(factor)
	if remainder > 1:
		factors.append(remainder)
	return factors

prime_factors = [prime_factor_search(k-1)for k in prime_factor]
#print(prime_factors)
factor_candidate = {i for row in prime_factors for i in row}

def prime_factor_search_candidate(number,candidate):
	remainder = number
	factors = []
	for factor in candidate:
		exponent = 0
		while remainder % factor == 0:
			remainder //= factor
			exponent += 1
		if exponent > 0:
			factors.append((factor,exponent))
	return factors

K_prime_factor = prime_factor_search_candidate(K_limit,factor_candidate)

K_candidate = [1]
for factor,exponent in K_prime_factor:
	K_candidate_new = set()
	for i in range(exponent+1):
		K_candidate_new = K_candidate_new | {j*factor**i for j in K_candidate}
	K_candidate = K_candidate_new
#print(K_prime_factor)
#print(K_candidate)
for _ in range(len(K_candidate)):
	min_k = min(K_candidate)
	if 10**min_k % N == 1:
		print(min_k)
		break
	else:
		K_candidate.remove(min_k)

#print(min({k for k in K_candidate if 10**k % N == 1}))
0