Which scanf () statement will you use to scan a float value A and double value B )? float a double B?
Explanation: To scan a float value, %f is used as format specifier. To scan a double value, %lf is used as format specifier.
What does %f do in c?
Format Specifiers in C
| Specifier | Used For |
|---|---|
| %f | a floating point number for floats |
| %u | int unsigned decimal |
| %e | a floating point number in scientific notation |
| %E | a floating point number in scientific notation |
What is the input for double in c?
In double data type, the 1 bit for sign representation, 11 bits for the exponent and the remaining 52 bits used for the mantissa.
What is fp in C?
In your line of code, fp means “file pointer”. In the C standard library, for example when using the fopen function to open a file, a FILE pointer is returned. FILE is a kind of structure that holds information about the file.
What does the following C statement mean scanf 4s str?
scanf ( “%4s” , str); (A) Read exactly 4 characters from console. (B) Read maximum 4 characters from console.
Why fclose () is used in C?
In the C Programming Language, the fclose function closes a stream pointed to by stream. The fclose function flushes any unwritten data in the stream’s buffer.
What does W+ do in C?
w+ – opens a file in both read and write mode.
What does it mean scanf %4s STR );?
scanf(“%4s”, str); Read exactly 4 characters from the console. Read maximum 4 characters from console.
What is the output for input Geeksquiz?
For example, the input geeksquiz will output ziuqskeeg and for the input “apples” the output will be selppa. Explanation: Stack operates in LIFO (Last In First Out) order. A pop() operation removes items in a reverse order in the manner in which they were inserted.
What is the correct format specifier for double in printf?
Format specifier in printf should be %f for doubl datatypes since float datatyles eventually convert to double datatypes inside printf. There is no provision to print float data. Please find the discussion here : Correct format specifier for double in printf Show activity on this post.
Why can’t I print a float value in printf?
You are using wrong formatting sequence for double, you should use %lf instead of %ld: Show activity on this post. Format specifier in printf should be %f for doubl datatypes since float datatyles eventually convert to double datatypes inside printf. There is no provision to print float data.
How to scan the second value of a value in SQL?
Use this line of code when scanning the second value: scanf (” %lf”, &b); also replace all %ld with %lf. It’s a problem related with input stream buffer.
What is the difference between a decimal and a floating point?
d: Decimal integer: Number optionally preceded with a + or – sign. e,E,f,g,G: Floating point: Decimal number containing a decimal point, optionally preceded by a + or – sign and optionally folowed by the e or E character and a decimal number.