結果
問題 | No.1611 Minimum Multiple with Double Divisors |
ユーザー | shotoyoo |
提出日時 | 2021-07-21 21:48:11 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,402 bytes |
コンパイル時間 | 287 ms |
コンパイル使用メモリ | 82,468 KB |
実行使用メモリ | 71,748 KB |
最終ジャッジ日時 | 2024-07-17 17:33:43 |
合計ジャッジ時間 | 4,285 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
ソースコード
import sys input = lambda : sys.stdin.readline().rstrip() sys.setrecursionlimit(2*10**5+10) write = lambda x: sys.stdout.write(x+"\n") debug = lambda x: sys.stderr.write(x+"\n") writef = lambda x: print("{:.12f}".format(x)) def hurui(n): """線形篩 pl: 素数のリスト mpf: iを割り切る最小の素因数 """ pl = [] mpf = [None]*(n+1) for d in range(2,n+1): if mpf[d] is None: mpf[d] = d pl.append(d) for p in pl: if p*d>n or p>mpf[d]: break mpf[p*d] = p return pl, mpf from collections import defaultdict def factor(num): d = defaultdict(int) if num==1: d.update({1:1}) return d while num>1: d[mpf[num]] += 1 num //= mpf[num] return d def fs(num): f = factor(num) ans = [1] for k,v in f.items(): tmp = [] for i in range(len(ans)): val = 1 for _ in range(v): val *= k ans.append(ans[i]*val) return ans # pl, mpf = hurui(10**6) from math import gcd import random def is_prime(n): """miller_rabinによる素数判定 ※ 1は素数と扱う """ l = [2,3,5,7,11,13,17,19,23,29,31,37] if n==1 or n in l: return True d = n-1 s = 0 while d%2==0: s += 1 d //= 2 for a in l: v = pow(a,d,n) if v==1 or v==n-1: continue for _ in range(s): v = v*v % n if v==n-1: break else: return False return True def rho(n): """nを割り切る3以上の素数を返す(素数のときnを返す) """ if is_prime(n): return n while True: x = y = random.randint(1,n-1) g = 1 while g==1: x = (x*x - 3) % n y = (y*y - 3) % n y = (y*y - 3) % n g = gcd((x-y), n) if g>1: return rho(g) def factor(n): """高速な素因数分解 """ if n==1: return {} f = is_prime(n) if f: return {n:1} ans = {} while n%2==0: ans.setdefault(2, 0) ans[2] += 1 n //= 2 v = rho(n) while v!=n and n>1: ans.setdefault(v, 0) while n%v==0: n //= v ans[v] += 1 if n>3 and is_prime(n): ans.setdefault(n,0) ans[n] += 1 return ans v = rho(n) if n>1: ans.setdefault(n, 0) ans[n] += 1 return ans t = int(input()) ans = [] for i in range(t): x = int(input()) f = factor(x) for p in pl: if p not in f: res = p break else: assert 0 kvs = sorted(f.items()) count = [-1]*(40) # 回数がiの素数の最小 for k,v in kvs[::-1]: count[v] = k for i in range(1,40): if count[i]==-1: continue res = min(res, pow(count[i], i+1)) r = 1 for l in range(1, 40): if r<l: r = l if count[l]==-1: continue while r+1<40 and count[r+1]>=0: r += 1 if r>=2*l: val = 1 for i in range(l, 2*l+1): assert count[i]>0 val *= count[i] res = min(res, val) ans.append(res*x) write("\n".join(map(str, ans)))