题解 | 矩阵乘法

x = int(input())
y = int(input())
z = int(input())
A = []
for i in range(x):
    A.append([int(j) for j in input().split()])
B = []
for i in range(y):
    B.append([int(j) for j in input().split()])
C = []
for k, v in enumerate(A):
    row = []
    for j in range(z):
        res = sum([v[i]*B[i][j] for i in range(y)])
        row.append(res)
    C.append(row)
for i in C:
    print(" ".join([str(j) for j in i]))
# print(A)
# print(B)
# print(C)