int has_marker = file_contains_marker("../exercises/05_binary_search.c", "I AM NOT DONE"); ASSERT_FALSE(has_marker, "练习题应该移除 'I AM NOT DONE' 标记"); ...

Abstract: Constraint solving is an essential technique for detecting vulnerabilities in programs, since it can reason about input sanitization and validation operations performed on user inputs.

Abstract: Binary sequences with low aperiodic autocorrelation levels, defined in terms of the peak sidelobe level (PSL) and/or merit factor, have many important engineering applications, such as ...

After the basics, focus on core data structures like stacks, queues, linked lists, sets, and maps, and algorithms such as sorting, binary search, two pointers, and greedy methods. Understanding when ...