题解 | #替换空格#
替换空格
https://www.nowcoder.com/practice/0e26e5551f2b489b9f58bc83aa4b6c68
class Solution {
public:
string replaceSpace(string s,string str="",int t=0) {
for(int i=0;i<s.size();i++)
{
if(s[i]==' ')
{
str=str+s.substr(t,i-t)+"%20";
t=i+1;
}
}
str=str+s.substr(t,s.size()-t);
return str;
}
};
