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our encoding and decoding abilities are greatly appreciated by Chhota Bheem. Just as he is about to induct you into his team, he got a call from his friend Perry the Platypus. This is quite alarming, because Perry hardly speaks - a phone call is only in emergency situations.Perry has an important password to crack. Unfortunately, he is on medication now. So, your expertise is expected here. Design a custom encoding scheme that transforms a string into its encoded form. The encoding process involves the following steps:Apply a shift to each character in the message based on the key provided. The shift value for each character is determined by the index (or position number) of the character in the message in English Alphabet multiplied by the corresponding digit in the key.If the shift value exceeds the index of alphabet (26), loop through the alphabet repeatedly.The only special character allowed in the message is a blank space. It has to be encoded by the following rule. The first blank space character has to be encoded as ‘a’. Second blank space character has to be encoded as ‘z’. Then, by ‘b’ and then by ‘y’. This pattern continues for the remaining blank spaces of the input message. If there are more than 26 blank spaces, the encoding pattern is repeated.Same character may be associated with different key values. So they may have different shift values. If the key length is shorter than the message length, loop through the key repeatedly until each character in the message has a corresponding digit for the shift.Handle both uppercase and lowercase letters in the message. Return the encoded message as a string in UPPERCASE. For example, The message is Hardwork never failzKey is 152Encoded string is PFBHHSJNAPJBOJZJCRTZ In the following table, first row corresponds to the input message.Second row mentions the key (Repeated till the end of message). Key value is not assigned to blank space.Third row indicates the position number of each character (of an input message) in an English alphabet. Fourth row indicates the encoded string. (Output).Hardwork  never  failz15215215  21521  521528118423151811  14522518  6191226PFBHHSJNAPJBOJZJCRTZExplanationIndex of H in English Alphabet is 8. Its key value is 1. So, the shift value is 1*8 = 8. From H, P is available at 8th position. So, the corresponding encoded character of H is P. Similarly, Index of R in English Alphabet is 18. Its key value is 2. So, the shift value is 2*18 = 36. From R, B is available at 36th position. Find the encoded character according to the shift value in a cyclic manner. So, the corresponding encoded character of R is B. This explanation holds valid for the R which has its key value 2. In the input message, other R are also available. But, they have different key values. So, their shift values are different. Input formatRead the input messageRead the key Output formatDisplay the encoded message Sample Input:Hardwork never failz152 Sample Output:PFBHHSJNAPJBOJZJCRTZ

Question

our encoding and decoding abilities are greatly appreciated by Chhota Bheem. Just as he is about to induct you into his team, he got a call from his friend Perry the Platypus. This is quite alarming, because Perry hardly speaks - a phone call is only in emergency situations.Perry has an important password to crack. Unfortunately, he is on medication now. So, your expertise is expected here. Design a custom encoding scheme that transforms a string into its encoded form. The encoding process involves the following steps:Apply a shift to each character in the message based on the key provided. The shift value for each character is determined by the index (or position number) of the character in the message in English Alphabet multiplied by the corresponding digit in the key.If the shift value exceeds the index of alphabet (26), loop through the alphabet repeatedly.The only special character allowed in the message is a blank space. It has to be encoded by the following rule. The first blank space character has to be encoded as ‘a’. Second blank space character has to be encoded as ‘z’. Then, by ‘b’ and then by ‘y’. This pattern continues for the remaining blank spaces of the input message. If there are more than 26 blank spaces, the encoding pattern is repeated.Same character may be associated with different key values. So they may have different shift values. If the key length is shorter than the message length, loop through the key repeatedly until each character in the message has a corresponding digit for the shift.Handle both uppercase and lowercase letters in the message. Return the encoded message as a string in UPPERCASE. For example, The message is Hardwork never failzKey is 152Encoded string is PFBHHSJNAPJBOJZJCRTZ In the following table, first row corresponds to the input message.Second row mentions the key (Repeated till the end of message). Key value is not assigned to blank space.Third row indicates the position number of each character (of an input message) in an English alphabet. Fourth row indicates the encoded string. (Output).Hardwork  never  failz15215215  21521  521528118423151811  14522518  6191226PFBHHSJNAPJBOJZJCRTZExplanationIndex of H in English Alphabet is 8. Its key value is 1. So, the shift value is 18 = 8. From H, P is available at 8th position. So, the corresponding encoded character of H is P. Similarly, Index of R in English Alphabet is 18. Its key value is 2. So, the shift value is 218 = 36. From R, B is available at 36th position. Find the encoded character according to the shift value in a cyclic manner. So, the corresponding encoded character of R is B. This explanation holds valid for the R which has its key value 2. In the input message, other R are also available. But, they have different key values. So, their shift values are different. Input formatRead the input messageRead the key Output formatDisplay the encoded message Sample Input:Hardwork never failz152 Sample Output:PFBHHSJNAPJBOJZJCRTZ

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Solution

Sure, I will provide step-by-step instructions to design a custom encoding scheme that transforms a string into its encoded form.

  1. Read the input message: "Hardwork never failz"

  2. Read the key: "152"

  3. Create a table to keep track of the encoding process:

    • First row: Input message ("Hardwork never failz")
    • Second row: Key (Repeated till the end of the message) ("15215215")
    • Third row: Position number of each character in the English alphabet
    • Fourth row: Encoded string (Output)

  4. Calculate the shift value for each character in the message based on the key:

    • For each character in the message, multiply its index in the English alphabet by the corresponding digit in the key.
    • If the shift value exceeds 26 (the index of the alphabet), loop through the alphabet repeatedly.

  5. Encode the blank spaces in the message:

    • The first blank space is encoded as 'a'.
    • The second blank space is encoded as 'z'.
    • The pattern continues with 'b' and 'y' for the remaining blank spaces.
    • If there are more than 26 blank spaces, the encoding pattern is repeated.

  6. Handle uppercase and lowercase letters in the message:

    • Convert all characters to uppercase.

  7. Return the encoded message as a string in UPPERCASE.

  8. Apply the encoding process to each character in the message and update the table accordingly.

  9. Display the encoded message: "PFBHHSJNAPJBOJZJCRTZ"

This is the step-by-step process to design a custom encoding scheme and encode the given message using the provided key.

This problem has been solved

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