Gym 100553J Jokewithpermutation(dfs)
摘要:
题意:有n个数(n#include#includeusing namespace std;char str[105];int len,mark;int vis[505];void dfs(int n){ if(n==0) { mark=1;return; } i... 阅读全文
posted @ 2015-07-11 21:43 大树置林 阅读(272) 评论(0) 推荐(0) 编辑