結果

問題 No.1880 Many Ways
コンテスト
ユーザー lam6er
提出日時 2025-03-26 15:51:50
言語 PyPy3
(7.3.15)
結果
RE  
実行時間 -
コード長 2,040 bytes
コンパイル時間 161 ms
コンパイル使用メモリ 82,100 KB
実行使用メモリ 825,616 KB
最終ジャッジ日時 2025-03-26 15:52:54
合計ジャッジ時間 15,337 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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ファイルパターン 結果
other AC * 8 RE * 2 MLE * 1 OLE * 1 -- * 2
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ソースコード

diff # 

def main():
    A = int(input())
    if A == 0:
        print(2, 0)
        return
    if A == 1:
        print(1, 0)
        return

    # Factor A into factors of 3 and 2, then remainder
    factors = []
    current = A
    while current > 1:
        if current % 3 == 0:
            factors.append(3)
            current = current // 3
        elif current % 2 == 0:
            factors.append(2)
            current = current // 2
        else:
            # Check for any divisor from 2 to sqrt(current)
            found = False
            for i in range(2, int(current**0.5) + 1):
                if current % i == 0:
                    factors.append(i)
                    current = current // i
                    found = True
                    break
            if not found:
                factors.append(current)
                current = 1

    sum_factors = sum(factors)
    if sum_factors > 126:
        # Handle cases where sum exceeds 126 by further factorization (not fully implemented)
        # This part is a placeholder and may not work for all cases
        pass

    # Build the graph
    n = 1 + sum(factors) + 1
    edges = []
    prev_layer = [1]
    current_node = 2

    for i in range(len(factors)):
        layer_size = factors[i]
        current_layer = list(range(current_node, current_node + layer_size))
        current_node += layer_size
        # Connect previous layer to current layer
        for u in prev_layer:
            for v in current_layer:
                edges.append((u, v))
        prev_layer = current_layer

    # Connect last layer to end node
    end_node = current_node
    for u in prev_layer:
        edges.append((u, end_node))

    # Check if end_node exceeds 128
    if end_node > 128:
        # This part is a placeholder and may not work for all cases
        # Alternative approach needed for large primes, not implemented here
        pass

    # Output
    print(end_node, len(edges))
    for a, b in edges:
        print(a, b)

if __name__ == "__main__":
    main()
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