class Solution { public: string convertToTitle(int n) { string result=""; while(n){ char c='A'+(n-1)%26; result=c+result; n=(n-1)/26; } return result; } };
class Solution { public: string convertToTitle(int n) { string result=""; while(n){ char c='A'+(n-1)%26; result=c+result; n=(n-1)/26; } return result; } };