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P-Cubed wants to know the weight of the heaviest item and the weight of the lightest item - Edexcel - GCSE Computer Science - Question 8 - 2018 - Paper 1
Question 8
P-Cubed wants to know the weight of the heaviest item and the weight of the lightest item. An operator enters weights for each item. The operator enters 0 when fini... show full transcript
Worked Solution & Example Answer:P-Cubed wants to know the weight of the heaviest item and the weight of the lightest item - Edexcel - GCSE Computer Science - Question 8 - 2018 - Paper 1
Step 1
Write an algorithm to meet the requirements.
Answer
- SET count TO 0
- SET heaviest TO 0
- SET lightest TO Infinity
- REPEAT UNTIL weight IS 0: a. DISPLAY "Enter the weight for the item, 0 to quit:" b. READ weight FROM INPUT c. IF weight < 0 THEN i. DISPLAY "Error. No negatives allowed" ii. CONTINUE TO NEXT ITERATION d. IF weight > heaviest THEN i. SET heaviest TO weight e. IF weight < lightest AND weight > 0 THEN i. SET lightest TO weight f. INCREMENT count BY 1
- END REPEAT
- DISPLAY "Heaviest: " + heaviest
- DISPLAY "Lightest: " + lightest