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25. 打印X_x x x 1 8-CSDN博客

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文章浏览阅读1.9k次。25.打印X输入一个正整数N, 你需要按如下方式返回一个字符串列表。样例样例 1:输入:1输出:["X"]样例 2:输入:2输出:["XX","XX"]样例 3:输入:3输出:["X X"," X ","X X"]样例 4:输入:4输出:["X X"," XX "," XX ","X X"]样例 5:输入:5输出:["X X"," X X "," X ._x x x 1 8
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