#include <iostream>
#include <string>
using namespace std;
string reverse(string s)
{
string res = "";
string::size_type start = 0;
string::size_type end = 0;
int sflag = 0;
int eflag = 0;
for (int i = 0; i < s.size(); i++)
{
if (s[i] == ' ' && i + 1 < s.size() && isalnum(s[i + 1]))
{
start = i + 1;
sflag = 1;
}
if (isalnum(s[i]) && i + 1 < s.size() && s[i + 1] == ' ')
{
end = i;
eflag = 1;
}
if (sflag && eflag)
{
string tmp = s.substr(start, end - start + 1);
//cout << tmp << endl;
res = res + tmp + " ";
sflag = 0;
eflag = 0;
}
}
if (sflag == 1 && eflag == 0)
{
res += s.substr(start, s.size() - start);
}
cout << res << endl;
return res;
}
int main()
{
string s = " mk am a student ";
string res = reverse(s);
string t = "mk am a";
cout << t << endl;
system("pause");
return 0;
}
去掉字符串中的多余空格
猜你喜欢
转载自blog.csdn.net/weixin_36149892/article/details/81209406
今日推荐
周排行