题解 | 空格替换

class Replacement {
public:
    string replaceSpace(string iniString, int length) {
        // write code here
        int len = length;
        for (size_t i =0 ;i <len; i++){
            if(iniString[i] == ' '){
                iniString[i] ='%';
                iniString.insert(i+1, "20");
                i+=2;
                len +=2;
                std::cout<< "i: "<< i <<" len: "<< len<<std::endl;
            }
        }
        return iniString;
    }
};