摘要: https://www.acwing.com/problem/content/description/2070/: 首先我们考虑两个数拼接:a[i] + a[j] 实际上就是$a[i] * 10^{length(a[j])} + a[j]$ 即有:$a[i] * 10^{length(a[j])} 阅读全文
posted @ 2022-01-24 09:16 levill 阅读(53) 评论(0) 推荐(0) 编辑