Double Entry Validation

2023/May/Jun·Variant 2·Q4(b)·[3 marks]

MEDIUMLoops

Implement a double-entry check for a measurement.

Ask the user to enter the measurement twice. If both entries match, store the value in Measurement and output Accepted. If they don't match, repeat the process until they do.

Source: Inspired by 2023 May/Jun Variant 2 Q4(b)(ii)

Input: Pairs of integers until both match. Each pair is two lines. Output: Accepted followed by the accepted value, each on a separate line.

Example:

Input:  10
        5       (mismatch — try again)
        10
        10      (match!)
Output: Accepted
        10

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Sample Test Cases

Test 1: Match on first attempt

Inputs: 10, 10

Expected: Accepted 10

Test 2: Match on second attempt

Inputs: 5, 3, 5, 5

Expected: Accepted 5

Test 3: Zero value

Inputs: 0, 0

Expected: Accepted 0

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