Difference in ascii value

#1

Bhaiya how can i store the output of this question in a string.

#2

hi @ritikbunty2511_729d0258992e0982
make a new string and keep adding to it using +=, or u can keep printing refer

#3

But i can i store -1

#4

Suppose string is aba

#5

@ritikbunty2511_729d0258992e0982 Han to check kr lena agar negative hua to pehle aik - insert Krna fir no.