Fortunately, it is possible to avoid scanf buffer overflow. Always remember, In scanf()/printf() all the format specifiers that we pass should be the same, else we may get some unexpected runtime errors. A well-written program reports invalid input with a comprehensible error message, not with a crash. The scanf function returns the number of input fields successfully scanned, converted, and stored in specified program variables. In the above program, scanf() reads two inputs from the program even though we are passing one variable because we specified two format specifiers. In diesem Programmbeispiel wird lediglich eine Zahl ohne besondere Eingabeformatierung eingelesen. After that, we are performing the arithmetic operations like addition, subtraction, and multiplication and later storing the results in the 3 new variables (Sum, Sub, Mul) and finally, by using the printf() function we are printing the results. In the above program, we are using the scanf() to read the input from the console and storing them in variables a
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