xiefubao的专栏

//传入一个字符串引用，按单词翻转字符串class Solution{public: void reverseWords(string &s) { vector vec; string str=""; for(int i=0; i<s.size(); i++) { if(s[i]=='

Create Maximum NumberGiven two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k  from digits of the two. The relative order of the dig