Pythagoras triplet with 2 unknowns

#1

there are two variables in this question. how to proceed with 2 unknowns?

#2

@Aditiverma hey aditi there is a hint video with the same pythagoras triplet hint did you watch it?

#3

no I haven’t seen it. Can you send me the link?

#4

@Aditiverma hey aditi try with name search it just below the challenge.

#5
#6

please tell me wats wrong this

#7

@Aditiverma hey aditi use long long int instead of int.