摘要:
"题目" c++ class Solution { public: string longestCommonPrefix(vector& strs) { if(strs.size()==0) return ""; int i=0; string ans=""; while(true) { if(i= 阅读全文
摘要:
"题目" c++ 阅读全文
摘要:
"题目" class Solution { public: int v[7]={1,5,10,50,100,500,1000}; string s[7]={"I","V","X","L","C","D","M"}; string intToRoman(int num) { string ans="" 阅读全文