解题思路:
注意事项:
参考代码:
N = int(input())
for i in range(N):
m,n = map(int,input().split())
a = (m+1) // 2
b = m
l = []
for j in range(1,(m+1)//2+1):
c = " "*b
c = list(c)
if j != a:
c[j-1] = "X"
c[b-j] = "X"
c = "".join(c)
l.append(c)
else:
c[(m+1)//2-1] = "X"
c = "".join(c)
l.append(c)
for k in l[(m+1)//2-2::-1]:
l.append(k)
for j in range(n-1):
for k in l[m-2::-1]:
l.append(k)
for j in l:
print(j)
print()
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