Online judge input output

#1

i could not understand N=N-1 What?

#2

@swaraj
Hello Shubham,
N=N-1 means subtract one from N and then assign it to N.
for example let say N=6
then N=N-1
will be N=6-1 (N=N-1)
so final value of N will be 5

#3

@swaraj
Hello shubham,
if u still have any doubt then pls let me know

#4

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