結果

問題 No.1711 Divide LCM
ユーザー tamato
提出日時 2021-10-15 22:59:31
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 2,029 bytes
コンパイル時間 140 ms
コンパイル使用メモリ 82,340 KB
実行使用メモリ 174,964 KB
最終ジャッジ日時 2024-09-17 18:03:47
合計ジャッジ時間 10,734 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge6
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 21 TLE * 1 -- * 20
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

mod = 998244353
eps = 10**-9
def main():
    import sys
    from itertools import combinations
    from random import shuffle
    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 b:
            B.append(b)
            BA.append(A[i])
            B_val.append(val)
        else:
            BB.append(A[i])
    B_val = list(set(B_val))
    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())
    shuffle(P_list)
    for k in range(2, L+1):
        for J in combinations(P_list, k):
            J = list(J)
            q = 1
            for pp in J:
                q *= pp
            ans = [[] for _ in range(k)]
            flg = 1
            for i, b in enumerate(B_val):
                if b % q == 0:
                    flg = 0
                    break
            if flg:
                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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