#include <iostream>
#include <cstring>
using namespace std;
char usrtext(char *text, int i)
{
int val = strlen(text) - i;
return *(text+val);
}
int main()
{
char myt[] = "Hello this world";
for(int i=1; i!=strlen(myt)+1; i++)
{
cout << usrtext(myt, i);
}
cout << endl;
system("pause");
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y3N0cmluZz4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCgoKCQoJCmNoYXIgdXNydGV4dChjaGFyICp0ZXh0LCBpbnQgaSkKewogICAgICAgIGludCB2YWwgPSBzdHJsZW4odGV4dCkgLSBpOwogICAgICAgIHJldHVybiAqKHRleHQrdmFsKTsKfQogCiAKaW50IG1haW4oKQp7CiAKICAgIAogICAgY2hhciBteXRbXSA9ICJIZWxsbyB0aGlzIHdvcmxkIjsKCgogICAgZm9yKGludCBpPTE7IGkhPXN0cmxlbihteXQpKzE7IGkrKykKICAgIHsKICAgICAgICBjb3V0IDw8IHVzcnRleHQobXl0LCBpKTsKICAgIH0KICAgIGNvdXQgPDwgZW5kbDsKIAogICAgc3lzdGVtKCJwYXVzZSIpOwogICAgcmV0dXJuIDA7Cn0=