Problem StatementCharlie, a novice programmer, is developing a simple calculator program to perform basic arithmetic operations. He needs your assistance in refining the program.Write a program that takes an operator ('+', '-', '*', or '/') and two operands as input. The program should then perform the corresponding operation and display the result. If the input is an invalid operator, the program should display an appropriate error message.Function Specifications:double add(double x, double y)double subtract(double x, double y)double multiply(double x, double y)double divide(double x, double y)Input format :The first line of input consists of a character c, representing the operator (+, -, *, /).The second line consists of two space-separated double values a and b, representing the operands.Output format :If the operator is valid, the output displays "a c b = d" where a and b are operands, c is the operator and d is the result of the operation. a, b, and d are double values, rounded off to two decimal places.If the operator is invalid, the output displays an error message, "Invalid operator!".If division by zero occurs, the output displays "Error: Division by zero!".Refer to the sample output for formatting specifications.Code constraints :In this scenario, the test cases fall under the following constraints:0.0 ≤ a, b ≤ 100.0Sample test cases :Input 1 :+25.6 100.0Output 1 :25.60 + 100.00 = 125.60Input 2 :-25.0 20.0Output 2 :25.00 - 20.00 = 5.00Input 3 :*1.0 95.0Output 3 :1.00 * 95.00 = 95.00Input 4 :/10.0 0.0Output 4 :Error: Division by zero!Input 5 :/6.9 3.4Output 5 :6.90 / 3.40 = 2.03Input 6 :@4.5 5.5Output 6 :Invalid operator!Note :The program will be evaluated only after the “Submit Code” is clicked.Extra spaces and new line characters in the program output will result in the failure of the test case.
Question
Problem StatementCharlie, a novice programmer, is developing a simple calculator program to perform basic arithmetic operations. He needs your assistance in refining the program.Write a program that takes an operator ('+', '-', '*', or '/') and two operands as input. The program should then perform the corresponding operation and display the result. If the input is an invalid operator, the program should display an appropriate error message.Function Specifications:double add(double x, double y)double subtract(double x, double y)double multiply(double x, double y)double divide(double x, double y)Input format :The first line of input consists of a character c, representing the operator (+, -, *, /).The second line consists of two space-separated double values a and b, representing the operands.Output format :If the operator is valid, the output displays "a c b = d" where a and b are operands, c is the operator and d is the result of the operation. a, b, and d are double values, rounded off to two decimal places.If the operator is invalid, the output displays an error message, "Invalid operator!".If division by zero occurs, the output displays "Error: Division by zero!".Refer to the sample output for formatting specifications.Code constraints :In this scenario, the test cases fall under the following constraints:0.0 ≤ a, b ≤ 100.0Sample test cases :Input 1 :+25.6 100.0Output 1 :25.60 + 100.00 = 125.60Input 2 :-25.0 20.0Output 2 :25.00 - 20.00 = 5.00Input 3 :*1.0 95.0Output 3 :1.00 * 95.00 = 95.00Input 4 :/10.0 0.0Output 4 :Error: Division by zero!Input 5 :/6.9 3.4Output 5 :6.90 / 3.40 = 2.03Input 6 :@4.5 5.5Output 6 :Invalid operator!Note :The program will be evaluated only after the “Submit Code” is clicked.Extra spaces and new line characters in the program output will result in the failure of the test case.
Solution
Sure, here is a simple implementation in Python:
def add(x, y):
return round(x + y, 2)
def subtract(x, y):
return round(x - y, 2)
def multiply(x, y):
return round(x * y, 2)
def divideSimilar Questions
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Single File Programming QuestionProblem StatementJohn's little brother is struggling with math. He decided to design a calculator with basic operations such as addition, subtraction, and multiplication.The calculator should receive two numbers and an operator from the user. It should operate according to the operator entered and display the result. Help him implement the calculator using the Switch statement.Input format :The first line consists of two space-separated integers num1 and num2.The second line consists of a character, representing the operator: + for addition, - for subtraction, * for multiplicationOutput format :The output displays an integer representing the result after the operation is performed.If the operator is invalid, the output displays "INVALID".Refer to the sample output for the formatting specifications.Code constraints :In the given scenario, the test cases fall under the following constraints:1 ≤ num1, num2 ≤ 100Sample test cases :Input 1 :1 100 +Output 1 :101Input 2 :2 95 -Output 2 :-93Input 3 :34 56 *Output 3 :1904Input 4 :1 2 ^Output 4 :INVALID
John's little brother is struggling with math. He decided to design a calculator with basic operations such as addition, subtraction, and multiplication.The calculator should receive two numbers and an operator from the user. It should operate according to the operator entered and display the result. Help him implement the calculator using the Switch statement.
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