Rounding is not required. For example, 5.48958123 should be printed as 5.4895 if given precision is 4. For example, below program sets the precision for 4 digits after the decimal point: Output: We can generalize above method using pow () In C, there is a format specifier in C. To print 4 digits after dot, we can use 0.4f in printf ().. Rounding Floating Point Number To two Decimal Places in C and C++. How to round off a floating point value to two places. For example, 5.567 should become 5.57 and 5.534 should become 5.53. First Method:- Using Float precision. Time Complexity: O (1), as the execution time does not depend on the size of the input.
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The %.2f format specifier can be used with the printf () and fprintf () functions to round values to two decimal places. We can also use the ceil () and floor () functions to round up to two decimal places. The most efficient way to round off a value up to two decimal places is to use the speintf () And sscanf () functions.. The precise result of number + number * 0.1 is 136.26787141. When you round that downwards to 2 decimal places, the number that you would get is 136.26, and not 136.25. However, there is no way to store 136.26 in a float because it simply isn't a representable value (on your system). Best you can get is a value that is very close to it.
