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Background

Description

C++-二维数组-字符数组（一维数组与二维数组的区别与联系）

Format

Input

Output

Samples

r e d
y e l l o w
b l u e
w h i t e
b l a c k
red
yellow
blue
white
black

Limitation

1s, 1024KiB for each test case.