Rope Cost Calculator

2023/Oct/Nov·Variant 1

MEDIUMSelection

Calculate the cost of a length of rope. Read the length (between 0.5 and 6.0 inclusive), validate it with a WHILE loop, then read the cost per metre. Output the total price.

Input: First the length (re-input until valid), then the cost per metre. Output: The calculated price (numeric value only).

Example:

Input:  8.0
        0.4
        2.5
        2.0
Output: 5

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Sample Test Cases

Test 1: Valid on first try

Inputs: 2.5, 2.0

Expected: 5

Test 2: Invalid then valid

Inputs: 7.0, 0.2, 3.0, 1.5

Expected: 4.5

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