The following code contains which of the following errors?

// declare variables
int period1
int period2;

a
unclosed string literal

b
{ expected

c
; expected

d
) expected

e
not a statement

Hey i really need some solving this problem: 1. encrypt this binary string into cipher text: 110000. include in your answer the formula the decoder would use to decrypt your cipher text in the format (coded answer) x n mod (m) = y & 2. decrypt this cipher text into a binary string: 106 you.