WHILE(I<N-1) to compare i with n

#1

in this i is up to n-1 or before n-1

#2

unique nomber wale me i<n-1 tak compare kr rahe hai ye samajh nahi aa rha hain like i<n mtlb ye concept bta dijiye

#3

@Ds_aizen if the loop is like while(i < n-1) then i will go upto n-2 only.

#4

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