[問題] vector 擴充已回收
請教大家
A = [1 2]
怎麼擴充成 [1 1 1 2 2 2] 呢?
作業還有好多急到快哭了.哀...
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09/20 03:42, , 1F
09/20 03:42, 1F
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09/20 03:43, , 2F
09/20 03:43, 2F
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09/20 03:46, , 3F
09/20 03:46, 3F
推
09/21 00:18, , 4F
09/21 00:18, 4F