結果
| 問題 | No.2207 pCr検査 | 
| コンテスト | |
| ユーザー |  lam6er | 
| 提出日時 | 2025-04-16 16:07:56 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                TLE
                                 
                             | 
| 実行時間 | - | 
| コード長 | 2,567 bytes | 
| コンパイル時間 | 344 ms | 
| コンパイル使用メモリ | 81,352 KB | 
| 実行使用メモリ | 52,384 KB | 
| 最終ジャッジ日時 | 2025-04-16 16:15:21 | 
| 合計ジャッジ時間 | 6,024 ms | 
| ジャッジサーバーID (参考情報) | judge3 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 2 | 
| other | TLE * 1 -- * 29 | 
ソースコード
def factorize(n):
    factors = []
    i = 2
    while i * i <= n:
        if n % i == 0:
            cnt = 0
            while n % i == 0:
                cnt += 1
                n = n // i
            factors.append((i, cnt))
        i += 1
    if n > 1:
        factors.append((n, 1))
    return factors
def compare_factors(input_factors, target_factors):
    input_dict = {}
    for p, e in input_factors:
        input_dict[p] = e
    target_dict = {}
    for p, e in target_factors:
        if p in target_dict:
            target_dict[p] += e
        else:
            target_dict[p] = e
    for p in input_dict:
        if target_dict.get(p, 0) != input_dict[p]:
            return False
    for p in target_dict:
        if input_dict.get(p, 0) != target_dict[p]:
            return False
    return True
def main():
    import sys
    input = sys.stdin.read().split()
    idx = 0
    k = int(input[idx])
    idx += 1
    factors = []
    for _ in range(k):
        p = int(input[idx])
        e = int(input[idx+1])
        factors.append((p, e))
        idx += 2
    p_candidates = [p for p, e in factors if e == 1]
    for p0, _ in factors:
        if p0 not in p_candidates:
            continue
        m_factors = []
        for p, e in factors:
            if p == p0:
                new_e = e - 1
                if new_e > 0:
                    m_factors.append((p, new_e))
            else:
                m_factors.append((p, e))
        if not m_factors:
            print(p0, 1)
            return
        target = (p0 - 1) // 2
        factors_target = factorize(target)
        if compare_factors(m_factors, factors_target):
            print(p0, 2)
            return
        product = (p0 - 1) * (p0 - 2)
        if product % 6 != 0:
            continue
        target3 = product // 6
        factors_target3 = factorize(target3)
        m_plus = {}
        for p, e in m_factors:
            m_plus[p] = e
        m_plus[2] = m_plus.get(2, 0) + 1
        m_plus[3] = m_plus.get(3, 0) + 1
        target_dict = {}
        for p, e in factors_target3:
            target_dict[p] = e
        valid = True
        for p in m_plus:
            if target_dict.get(p, 0) != m_plus[p]:
                valid = False
                break
        if not valid:
            continue
        for p in target_dict:
            if m_plus.get(p, 0) != target_dict[p]:
                valid = False
                break
        if valid:
            print(p0, 3)
            return
    print(-1, -1)
if __name__ == "__main__":
    main()
            
            
            
        