Simple Calculator

2021/Oct/Nov·Variant 2

EASYSelection

Write an algorithm that acts as a simple calculator. It should first read an integer Operator representing the chosen operation (1 for addition, 2 for subtraction, 3 for multiplication, 4 for division). Then, it reads two numbers, Value1 and Value2. It performs the chosen operation on the two numbers and outputs the result.

Input: An integer Operator (1 to 4), followed by two real numbers Value1 and Value2. Output: A single number representing the result of the calculation.

Example:

Input:  1
        5.5
        10
Output: 15.5

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Sample Test Cases

Test 1: Addition

Inputs: 1, 5.5, 10

Expected: 15.5

Test 2: Subtraction

Inputs: 2, 10, 4

Expected: 6

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