結果
問題 | No.1200 お菓子配り-3 |
ユーザー | tpyneriver |
提出日時 | 2020-08-28 22:11:49 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,655 bytes |
コンパイル時間 | 380 ms |
コンパイル使用メモリ | 82,260 KB |
実行使用メモリ | 80,048 KB |
最終ジャッジ日時 | 2024-11-14 15:23:06 |
合計ジャッジ時間 | 6,886 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(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 | 37 ms
53,932 KB |
testcase_01 | AC | 38 ms
53,432 KB |
testcase_02 | AC | 42 ms
59,736 KB |
testcase_03 | AC | 39 ms
53,684 KB |
testcase_04 | AC | 39 ms
55,036 KB |
testcase_05 | AC | 42 ms
60,432 KB |
testcase_06 | AC | 41 ms
54,912 KB |
testcase_07 | AC | 55 ms
65,936 KB |
testcase_08 | AC | 57 ms
66,908 KB |
testcase_09 | AC | 54 ms
65,512 KB |
testcase_10 | AC | 58 ms
65,924 KB |
testcase_11 | AC | 56 ms
67,192 KB |
testcase_12 | AC | 137 ms
77,748 KB |
testcase_13 | AC | 147 ms
77,892 KB |
testcase_14 | AC | 138 ms
77,592 KB |
testcase_15 | AC | 131 ms
77,856 KB |
testcase_16 | AC | 135 ms
77,872 KB |
testcase_17 | AC | 245 ms
79,072 KB |
testcase_18 | AC | 252 ms
78,588 KB |
testcase_19 | AC | 149 ms
77,748 KB |
testcase_20 | AC | 320 ms
79,092 KB |
testcase_21 | AC | 354 ms
79,864 KB |
testcase_22 | AC | 339 ms
79,572 KB |
testcase_23 | AC | 345 ms
79,012 KB |
testcase_24 | AC | 365 ms
80,048 KB |
testcase_25 | AC | 344 ms
79,148 KB |
testcase_26 | AC | 358 ms
79,460 KB |
testcase_27 | WA | - |
testcase_28 | AC | 342 ms
78,104 KB |
testcase_29 | AC | 268 ms
78,588 KB |
testcase_30 | AC | 300 ms
78,328 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
ソースコード
import sys readline = sys.stdin.readline from itertools import product 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 S = int(readline()) Ans = [None]*S for qu in range(S): X, Y = map(int, readline().split()) if X == Y: Ans[qu] = X - 1 continue if X < Y: X, Y = Y, X pk, pv = map(list, zip(*list(primeFactor(X+Y).items()))) ans = 0 for k in product(*[range(v+1) for v in pv]): res = 1 for i in range(len(pv)): res = res*pow(pk[i], k[i]) if res - 1 <= 0: continue if res == 2: continue if (X-Y)%(res-2): continue l, r = (X+Y)//res, (X-Y)//(res-2) if (l+r)%2: continue if 0 <= l+r and 0 <= l-r: ans += 1 #print(res-1, (l+r)//2, (l-r)//2) Ans[qu] = ans print('\n'.join(map(str, Ans)))