Encoding a Sentence into Pig Latin in C++

24 Mar 2025 | 4 min read

In this article, we will discuss how to encode a sentence into Pig Latin in C++ with several example.

Pig Latin encryption is a technique to encode normal sentences into abnormal sentences. The rules to convert a particular sentence to Pig Latin are:

First, divide the sentence into words.
Next, remove the first character from each word and add that character to the end of the word.
After that, add string "ay" to the end of the word.
Finally, combine all the words back into a sentence.

Example:

Original sentence: have a nice day

Encrypted sentence: avehay aay icenay ayday

Explanation: The sentence is divided into words so each word is modified. Word have is changed to avehay, a is changed to aay, nice is changed to icenay and day changed to ayday. After that, modified sentence is formed by merging all the modified words.

This encryption is used in some of the daily life applications like maintaining the privacy in communication. It can be employed in programming for obfuscation purposes. This encryption is used in steganography.

Example 1:

Let us take a C++ program to convert the given sentence to pig latin sentence.

Output:

Encoding a Sentence into Pig Latin in C++

Explanation:

This program has two functions that are "main" and "modifyWord" functions in the main function. A sentence is taken from the user as input. A vector is declared to store the words in the sentence named it has "words". Now, a string stream is created to tokenize the sentence. After that, the words after tokenization of the sentence are stored in the "words" vector. A for loop is used to iterate through all the words, and in every iteration, the "modifyWord" function is called with the word as a parameter. This function will return the modified word, and then all the modified words are merged and stored in "modifiedSentence", and last, the modified sentence is printed.

The "modifyWord" function takes a word as a parameter. If the word is an empty string, the empty string itself is returned. Otherwise, the first character from the word is stored in "firstChar", the first character is removed from the given word. The first word is added to the word in the end. After that, a special string "ay" is added to the modified word and returned to the main function.

Example 2:

Let us take a C++ program to convert the sentence to pig Latin sentence.

Output:

Explanation:

This program has two functions: "main" and "encryptToPigLatin". In the main function, a sentence is taken from the user as input. After that, this string is passed to the "encryptToPigLatin" function, which has a parameter. This function returns the modified string, which is in the form of pig Latin. The modified sentence is printed.

The "encryptToPigLatin" function takes the sentence as a parameter, and then a string is declared and initialized as empty which is named as "encryptedString". A for loop is used to iterate through the sentence by character by character. If "i" is greater than or equal to the input length, then break the for loop. After that, this function is finding the end of the current word. For the first word, move the first character of the word to the end of the word and append "ay" to it. But for the other word, an empty space is also appended along with the "ay". Finally, the modified string is returned to the main function.

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