bettle_king的博客

题目地址 215>200000 #include<cstdio> #include<iostream> #include<string> using namespace std; string dfs(int x) { string res; for(int i=14;i>=0;i--) { if(x>>i&1) { if(res.size()) res+="+"; if(!i) res+="2(0)"; .

题目有点坑，是从第二行开始输入的。 #include<cstdio> #include<iostream> #include<string> #include<sstream> #include<algorithm> using namespace std; int a[30][30]; void dfs(int n) { for(int i=1;i<=n;i++) { for(int j=1;j<=i;j++) { .

目录Digital Roots Digital Roots https://www.nowcoder.com/practice/cef727d0af33479c9fb4a9c120702414?tpId=40&tqId=21403&rp=1&ru=%2Fta%2Fkaoyan&qru=%2Fta%2Fkaoyan%2Fquestion-ranking&tab=answerKey #include<cstdio> #include<iostream&