题解 | #空格替换#基于insert和erase函数
空格替换
https://www.nowcoder.com/practice/b0850698cb41449188344cdb647f3e99
class Replacement { public: string replaceSpace(string iniString, int length) { string s = "%20"; for (int i = 0; i < iniString.size(); i++) { if (iniString[i] == ' ') { iniString.erase(i,1); iniString.insert(i, s); } } return iniString; } };