摘要: Educational Codeforces Round 111 Problem A. Find The Array 找到长度最小且为$n$的数组$a_n$,使之满足: 对于$1 \leq i \leq n$,有$a_i=1$或者$a_-1,a_i-2 \in {a_n},\sum a_i = s$ 阅读全文
posted @ 2021-07-17 21:55 Maystern 阅读(78) 评论(0) 推荐(0) 编辑