Practice
Boundary Grade Classifier
EASYSelection5 marks
Read a mark from 0 to 100 and output the grade.
Use these boundaries:
- 90 to 100: A*
- 80 to 89: A
- 70 to 79: B
- 60 to 69: C
- 50 to 59: D
- 0 to 49: U
If the mark is outside 0 to 100, output Invalid.
Input: One integer mark. Output: The grade or Invalid.
Example:
Input: 89
Output: A
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Sample Test Cases
Test 1: Upper A boundary
Inputs: 89
Expected: A
Test 2: A* boundary
Inputs: 90
Expected: A*
Test 3: Just below D
Inputs: 49
Expected: U