题解 | #矩阵乘法#
矩阵乘法
http://www.nowcoder.com/practice/ebe941260f8c4210aa8c17e99cbc663b
x = int(input())
y = int(input())
z = int(input())
firstArray = []
secondArray = []
for i in range(x):
firstArray.append(list(map(int, input().split())))
for j in range(y):
secondArray.append(list(map(int, input().split())))
res = [[0 for i in range(z)] for j in range(x)]
for i in range(x):
for j in range(z):
for s in range(y):
res[i][j] += firstArray[i][s] * secondArray[s][j]
for e in res:
print(' '.join(list(map(str, e))))
