#include
#include <string.h>
using namespace std;
int main()
{
string s="12c1 2 csc";
int d = 0;
for (int i = 0; s.length(); i++)
{
if (s[i] != ' ' && isprint(s[i])) //判断不为空格 且能输出;
{
s[d++] = s[i];
}
}
cout << "改变后的字符串是:" << endl;
for (int i = 0; i < d; i++)
{
cout << s[i];
}
}