题解 | #替换空格#
替换空格
https://www.nowcoder.com/practice/0e26e5551f2b489b9f58bc83aa4b6c68
C++三行扬了：
class Solution {
public:
string replaceSpace(string s) {
int space, end = s.size() - 1;
for (; (space = s.rfind(' ', end)) != string::npos; end = space)
s.replace(space, 1, "%20");
return s;
}
};
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