結果

問題 No.2798 Multiple Chain
ユーザー dp_ijkdp_ijk
提出日時 2024-06-28 22:04:46
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 70 ms / 2,000 ms
コード長 2,046 bytes
コンパイル時間 178 ms
コンパイル使用メモリ 82,364 KB
実行使用メモリ 64,908 KB
最終ジャッジ日時 2024-06-28 22:04:57
合計ジャッジ時間 3,570 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
(要ログイン)

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 36 ms
52,480 KB
testcase_01 AC 35 ms
52,992 KB
testcase_02 AC 35 ms
53,120 KB
testcase_03 AC 35 ms
52,736 KB
testcase_04 AC 36 ms
52,480 KB
testcase_05 AC 35 ms
52,608 KB
testcase_06 AC 35 ms
52,736 KB
testcase_07 AC 36 ms
52,736 KB
testcase_08 AC 34 ms
52,864 KB
testcase_09 AC 33 ms
52,864 KB
testcase_10 AC 34 ms
52,352 KB
testcase_11 AC 44 ms
52,608 KB
testcase_12 AC 36 ms
52,864 KB
testcase_13 AC 39 ms
52,608 KB
testcase_14 AC 37 ms
52,992 KB
testcase_15 AC 36 ms
52,992 KB
testcase_16 AC 36 ms
52,992 KB
testcase_17 AC 37 ms
52,992 KB
testcase_18 AC 37 ms
52,488 KB
testcase_19 AC 34 ms
52,948 KB
testcase_20 AC 36 ms
52,864 KB
testcase_21 AC 53 ms
52,480 KB
testcase_22 AC 35 ms
52,608 KB
testcase_23 AC 36 ms
52,992 KB
testcase_24 AC 36 ms
52,480 KB
testcase_25 AC 35 ms
52,864 KB
testcase_26 AC 35 ms
52,992 KB
testcase_27 AC 35 ms
52,480 KB
testcase_28 AC 37 ms
53,248 KB
testcase_29 AC 35 ms
52,864 KB
testcase_30 AC 34 ms
52,864 KB
testcase_31 AC 36 ms
52,992 KB
testcase_32 AC 70 ms
64,908 KB
testcase_33 AC 42 ms
60,544 KB
testcase_34 AC 48 ms
64,768 KB
testcase_35 AC 37 ms
52,336 KB
testcase_36 AC 38 ms
53,504 KB
testcase_37 AC 36 ms
52,992 KB
testcase_38 AC 36 ms
52,736 KB
testcase_39 AC 37 ms
53,120 KB
testcase_40 AC 35 ms
52,608 KB
testcase_41 AC 36 ms
52,864 KB
testcase_42 AC 44 ms
52,864 KB
testcase_43 AC 38 ms
52,608 KB
testcase_44 AC 35 ms
52,864 KB
testcase_45 AC 36 ms
52,352 KB
testcase_46 AC 35 ms
52,736 KB
testcase_47 AC 36 ms
52,352 KB
testcase_48 AC 35 ms
52,864 KB
testcase_49 AC 36 ms
52,352 KB
testcase_50 AC 38 ms
52,608 KB
testcase_51 AC 35 ms
52,352 KB
testcase_52 AC 40 ms
60,160 KB
testcase_53 AC 38 ms
53,248 KB
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 #

def gcd(a, b):
   while b:
      a, b = b, a%b
   return a


def isPrimeMR(n):
   d = n-1
   d = d//(d& -d)
   L = [2]
   for a in L:
      t = d
      y = pow(a, t, n)
      if y == 1: continue
      while y != n-1:
         y = (y*y)%n
         if y == 1 or t == n-1: return 0
         t <<= 1
   return 1


def findFactorRho(n):
   m = 1<<n.bit_length() // 8
   for c in range(1, 99):
      f = lambda x: (x*x + c) % n
      y, r, q, g = 2, 1, 1, 1
      while g == 1:
         x = y
         for i in range(r):
            y = f(y)
         k = 0
         while k < r and g == 1:
            ys = y
            for i in range(min(m, r-k)):
               y = f(y)
               q = q * abs(x-y) % n
            g = gcd(q, n)
            k += m
         r <<= 1
      if g == n:
         g = 1
         while g == 1:
            ys = f(ys)
            g = gcd(abs(x-ys), n)
      if g < n:
         if isPrimeMR(g): return g
         elif isPrimeMR(n//g): return n//g
         return findFactorRho(g)


def primeFactor(n):
   i = 2
   ret = {}
   rhoFlg = 0
   while i*i <= n:
      k = 0
      while n%i == 0:
         n //= i
         k += 1
      if k: ret[i] = k
      i += 1 + i%2
      if i == 101 and n >= 2**20:
         while n > 1:
            if isPrimeMR(n):
               ret[n], n = 1, 1
            else:
               rhoFlg = 1
               j = findFactorRho(n)
               k = 0
               while n%j == 0:
                  n //= j
                  k += 1
               ret[j] = k

   if n > 1: ret[n] = 1
   if rhoFlg: ret = {x: ret[x] for x in sorted(ret)}
   return ret

N = int(input())

dps = {}
U = 30
dp = [0]*U
dp[0] = 1
dps[0] = dp
for d in range(1, U):
   ndp = dp[:]
   for i in range(U):
      if i+d >= U:
         continue
      ndp[i+d] += ndp[i]
   dp = ndp
   dps[d] = dp

F = primeFactor(N)

Z = [0]*U
for L in range(1, U):
   term = 1
   dp = dps[L]
   for p, e in F.items():
      term *= dp[e]
   Z[L] = term

M = Z[:]
for i in range(U-1, 0, -1):
   M[i] -= M[i-1]

ans = sum(M)
print(ans)
0