Results for “Ordering & set operations”
Small, practical examples. Search by task or narrow things down below.
Calculate a fixed-window moving average
C: For this small window, sum each complete group and skip incomplete prefixes.
C✓ Tested
Calculate a least common multiple using a GCD
C: Divide before multiplying to reduce the risk of intermediate overflow.
C✓ Tested
Calculate a lexical relative path
C++: lexically_relative compares path components without requiring the paths to exist.
C++✓ Tested
Calculate a small factorial iteratively
C: Multiply a bounded sequence using an unsigned accumulator.
C✓ Tested
Calculate an average without integer division truncation
C: Accumulate into double and divide by the nonzero number of readings.
C✓ Tested
Calculate the greatest common divisor
C: Euclid’s algorithm repeatedly replaces a pair with the divisor and remainder.
C✓ Tested
Center a fixed-size absolute child with auto margins
CSS: An all-zero inset plus auto margins distributes the available space around the child.
CSS✓ Tested
Check exact array membership
Bash Scripts: Compare each element literally instead of searching a concatenated string.
Bash Scripts✓ Tested
Check whether all required keys exist
Python: Compare the required key set with a dictionary key view.
Python✓ Tested
Clean up a temporary directory automatically
Python: Use TemporaryDirectory as a context manager so cleanup also happens after exceptions.
Python✓ Tested
Clear all map entries
Clear all map entries using a complete Go program with explicit sample inputs.
Go✓ Tested
Clear an owning pointer after releasing its allocation
C: Assigning NULL helps prevent accidental reuse through the same variable.
C✓ Tested