Results for “all”

C++Ordering & set operations

Find sorted set members missing from another set ↗

C++: set_difference writes elements present in the first sorted input but absent from the second.

C++✓ Tested

C++Ordering & set operations

Find the common members of two sorted sets ↗

C++: set_intersection requires both input ranges to be sorted under the same comparator.

C++✓ Tested

SQL ServerDates & text

Find the final day of a month ↗

Use EOMONTH without manually calculating month length.

EOMONTH✓ Tested

CStrings & byte buffers

Find the final path separator ↗

C: strrchr locates the last matching character without modifying the input.

C✓ Tested

CStrings & byte buffers

Find the first occurrence of a character ↗

C: strchr returns a pointer into the input or NULL if the character is absent.

C✓ Tested

C++Sequence algorithms

Find the first value satisfying a condition ↗

C++: Compare the returned iterator with end before dereferencing it.

C++✓ Tested

C++Numeric parsing & calculations

Find the greatest common divisor with the standard library ↗

C++: std::gcd computes a nonnegative integer common divisor.

C++✓ Tested

C++Ordering & set operations

Find the insertion position for a sorted value ↗

C++: lower_bound returns the first position whose value is not less than the search key.

C++✓ Tested

CArrays

Find the largest array value ↗

Track the maximum in a nonempty C integer array.

C✓ Tested

C++Numbers & algorithms

Find the largest value ↗

Check for an empty C++ vector before dereferencing max_element.

C++✓ Tested

C++Numeric parsing & calculations

Find the least common multiple with the standard library ↗

C++: std::lcm combines positive integer periods into a common cycle.

C++✓ Tested

SQLSubqueries & ranked selection

Find the second-highest distinct value ↗

SQL: Select the maximum below the overall maximum to skip ties at the top.

SQL✓ Tested