#707784 (PyPy3) No.1711 Divide LCM

• 問題: No.1711 Divide LCM
• ユーザー: tamato
• 提出日時: 2021-10-16 11:07:45
• 言語: PyPy3 (7.3.15)
• 結果: WA
• 実行時間: -
• コード長: 2,335 bytes
• コンパイル時間: 118 ms
• コンパイル使用メモリ: 82,444 KB
• 実行使用メモリ: 168,140 KB
• 最終ジャッジ日時: 2024-09-17 19:19:37
• 合計ジャッジ時間: 19,550 ms
• ジャッジサーバーID （参考情報）: judge6 / judge4

ファイルパターン	結果
sample	AC * 3
other	AC * 17 WA * 25

ソースコード

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mod = 998244353
eps = 10**-9
def main():
    import sys
    from itertools import combinations
    import random
    input = sys.stdin.readline
    N = int(input())
    A = []
    PE = []
    P = {}
    for i in range(N):
        M = int(input())
        a = 1
        D = {}
        for j in range(M):
            p, e = map(int, input().split())
            if p not in P:
                P[p] = 0
            P[p] = max(P[p], e)
            a *= p ** e
            D[p] = e
        A.append(a)
        PE.append(D)
    B = []
    BA = []
    BB = []
    B_val = []
    for i in range(N):
        D = PE[i]
        b = set()
        val = 1
        for p in D:
            if D[p] == P[p]:
                b.add(p)
                val *= p
        if len(b) > 0:
            B.append(b)
            BA.append(A[i])
            B_val.append(val)
        else:
            BB.append(A[i])
    for i, b in enumerate(B):
        ok = 0
        for pp in P:
            if pp not in b:
                # ans[j].append(BA[i])
                ok = 1
                break
        if not ok:
            print(-1)
            exit()
    L = len(P)
    P_list = list(P.keys())
    cov = [0] * (L+1)
    seen = set()
    for b, val in zip(B, B_val):
        if val not in seen:
            seen.add(val)
            cov[len(b)] += 1
    D = set()
    for b in B:
        lb = len(b)
        bb = list(b)
        d = 1
        for i in range(1 << lb):
            for j in range(lb):
                if i >> j & 1:
                    d *= bb[j]
        D.add(d)
    comb = L
    random.shuffle(P_list)
    for k in range(2, L+1):
        comb *= (L - k + 1)
        comb //= k
        if cov[k] == comb:
            continue
        for J in combinations(P_list, k):
            J = list(J)
            q = 1
            for pp in J:
                q *= pp
            if q in D:
                continue
            ans = [[] for _ in range(k)]
            for i, b in enumerate(B):
                for j, pp in enumerate(J):
                    if pp not in b:
                        ans[j].append(BA[i])
                        break
            ans[0].extend(BB)
            print(k)
            for a in ans:
                a = [len(a)] + a
                print(*a)
            exit()
if __name__ == '__main__':
    main()
 
 
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