結果
問題 | No.1200 お菓子配り-3 |
ユーザー | Kiri8128 |
提出日時 | 2020-08-28 22:18:09 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,672 bytes |
コンパイル時間 | 381 ms |
コンパイル使用メモリ | 82,264 KB |
実行使用メモリ | 80,676 KB |
最終ジャッジ日時 | 2024-11-14 15:32:53 |
合計ジャッジ時間 | 7,591 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | AC | 37 ms
53,072 KB |
testcase_01 | AC | 39 ms
53,288 KB |
testcase_02 | WA | - |
testcase_03 | AC | 39 ms
54,796 KB |
testcase_04 | WA | - |
testcase_05 | AC | 39 ms
54,192 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 38 ms
52,616 KB |
testcase_28 | AC | 503 ms
78,940 KB |
testcase_29 | AC | 335 ms
79,460 KB |
testcase_30 | AC | 347 ms
79,976 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
ソースコード
import sys input = lambda: sys.stdin.readline().rstrip() 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, 7, 61] if n < 1<<32 else [2, 3, 5, 7, 11, 13, 17] if n < 1<<48 else [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37] 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 += i % 2 + (3 if i % 3 == 1 else 1) 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 def divisors(N): pf = primeFactor(N) ret = [1] for p in pf: ret_prev = ret ret = set() for i in range(pf[p]+1): for r in ret_prev: ret.add(r * (p ** i)) return ret S = int(input()) for _ in range(S): X, Y = map(int, input().split()) d1 = {a+1 for a in divisors(X - Y)} d2 = {a-1 for a in divisors(X + Y)} d = d1 & d2 ans = 0 for a in d: bmc = (X - Y) // (a - 1) bpc = (X + Y) // (a + 1) if (bmc ^ bpc) & 1: continue b = bmc + bpc >> 1 c = bpc - bmc >> 1 if b > 0 and c > 0: ans += 1 print(ans)