Question

Difficulty: EasyCoding and Decoding

In a certain code, if the word BLOCK is written as CMPDL, what is the code for the word TRAIN?

Answer: USBJO / usbjo

USBJO

Each letter in the word is shifted forward by 1 position in the English alphabet (+1 rule). Applying this pattern to TRAIN yields USBJO.

Analyze the rule used to transform BLOCK into CMPDL.

Each letter in BLOCK is replaced by its immediate next letter in the alphabetical order (+1 position shift): B → C, L → M, O → P, C → D, K → L.

Determining the pattern is necessary to encode new words.

Apply the same +1 shift rule to each letter of TRAIN.

T → U, R → S, A → B, I → J, N → O.

Applying the identified pattern consistently yields the correct encoded string.

Forward Letter Shifting (+1 Pattern)

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