题解 | #矩阵乘法#
矩阵乘法
http://www.nowcoder.com/practice/ebe941260f8c4210aa8c17e99cbc663b
import sys
while True:
try:
x = int(input().strip())
y = int(input().strip())
z = int(input().strip())
#分别保存A,B矩阵
A = []
for i in range(x):
A.append(list(map(int,input().strip().split())))
B = []
# print(A)
for j in range(y):
B.append(list(map(int,input().strip().split())))
# print(B)
#计算结果
SUM = []
for i in range(x):
SUM.append([0 for i in range(z)])
for j in range(z):
for k in range(y):
SUM[i][j] += A[i][k] * B[k][j]
for i in range(len(SUM)):
print(" ".join(list(map(str,SUM[i]))))
except:
# print(sys.exc_info())
break
