/*
Encryption
is a technique of coding messages to maintain their secrecy.
A
String array of size 'n' where 'n' is greater than 1 and less than
10,
stores
single sentences (each sentence ends with a full stop) in each row of
the array.
Write
a program to accept the size of the array.
Display
an appropriate message if the size is not satisfying the given
condition.
Define
a string array of the inputted size and fill it with sentences
row-wise.
Change
the sentence of the odd rows with an encryption of two characters
ahead of the original character. Also change the sentence of the even
rows by storing the sentence in reverse order.
Display
the encrypted sentences as per the sample data given below.
Test
your program on the sample data and some random data.
Input:
n=4
IT
IS CLOUDY. IT MAY RAIN. THE WEATHER IS FINE. IT IS COOL.
Output:
KV KU ENQWFA. RAIN MAY IT. VJG YGCVJGT KU HKPG. COOL IS IT.
Input:
n=13
Output:
INVALID ENTRY
*/
/*
ISC Computer Science Practicals, 2011 */
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