摘要: ```#include using namespace std;const int maxn=1e5+10;int a[maxn];int n;int up(int n) { int i = n; while (i != 1 && a[i] a[i + 1]) { i++; } if (a[i] = 1; i--) { ... 阅读全文
posted @ 2020-04-01 20:27 Snow_in_winer 阅读(87) 评论(0) 推荐(0) 编辑