What's wrong with this code?

Question

can't take the string input
https://code.sololearn.com/cTGF679tpfcB/?ref=app

Answer 1

gets() is obsolete. Do not use <conio.h>, getch().

Answer 2

gets(), puts(), getch(), putch() don't work with C++ on CPG. If you want to use them, create the code in C.