题解 | #矩阵乘法#

62ms

while True:
    try:
        i, k, j = int(input()), int(input()), int(input())
        A = [list(map(int, input().split())) for _ in range(i)]
        B = [list(map(int, input().split())) for _ in range(k)]
        for ii in range(i):
            Ai = A[ii][:]
            for jj in range(j):
                Bj = [bj[jj] for bj in B]
                print(sum(list(map(lambda x, y: x*y, Ai, Bj))), end=' ')
            print()
    except EOFError:
        break