题解 | #矩阵乘法#

a = int(input())
b = int(input())
c = int(input())
x = [[0]*b for _ in range(a)]
y = [[0]*c for _ in range(b)]
z = [[0]*c for _ in range(a)]
for i in range(a):
    d = list(map(int, input().split(' ')))
    for j in range(b):
        x[i][j] = d[j]
for i in range(b):
    d = list(map(int, input().split(' ')))
    for j in range(c):
        y[i][j] = d[j]
for i in range(a):
    for j in range(c):
        z[i][j] = sum([x[i][m]*y[m][j] for m in range(b)])
    print(' '.join([str(z[i][n]) for n in range(c)]))