3.字符串反转

问题描述：

#include <iostream>

#include <cstring>
using namespace std;


int main(int argc,char **argv)
{
char* s = new char[1024];
cin.getline(s,1024);
char c = '\0';
for(int i=0,j=strlen(s)-1;i<=j;i++,j--){
c= s[i];s[i]=s[j];s[j]=c;
}
cout<<s;
delete[] s;
}