{"results":[{"id":"anagram-ops-crashes-on-empty","text":"`anagramOperations([])` raises `IndexError` because `words[0]` is accessed unconditionally with no length check.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"ascending-subarray-empty-input-crashes","text":"Passing an empty list raises `IndexError` on `nums[0]`; the function relies on the LeetCode guarantee that `nums` is non-empty rather than handling this edge case.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"base7-zero-special-case","text":"`convert_to_base7` handles input 0 via an explicit early return; without this guard, the `while num:` loop would never execute and the function would return an empty string.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"bigram-empty-input-degrades-gracefully","text":"When `text` has fewer than 3 words, `range(len(words) - 2)` produces an empty range and the result is `[]` — no special-case code needed","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"boundary-handling-complete-unless-degenerate-input-escapes","text":"Streaming's structural boundary handling (sentinel initialization + early exit) combined with observed crash-freedom for degenerate inputs jointly establish that the streaming paradigm handles all boundary conditions without conditional logic — provided no degenerate input (single-element, empty, zero) escapes the sentinel+early-exit net.","truth_value":"OUT","justification_count":1,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":"derived"},{"id":"can-place-flowers-boundary-as-empty","text":"Array boundaries are treated as empty plots: index 0 has no left constraint and the last index has no right constraint, handled by short-circuit `or` guards rather than sentinel padding.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"cell-range-empty-on-inverted-bounds","text":"If the start column/row exceeds the end column/row, `cell_range` returns an empty list because `range()` produces no values — no explicit guard needed.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"circular-sentence-nonempty-assumed","text":"`is_circular` accesses `sentence[0]` and `sentence[-1]` unconditionally; an empty string raises `IndexError`.","truth_value":"OUT","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"common-chars-assumes-nonempty-input","text":"`commonChars` indexes `words[0]` unconditionally and will raise `IndexError` on an empty list, relying on LeetCode's non-empty guarantee.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"contains-pattern-bounds-safe-loop","text":"The loop bound `n - m*k + 1` in contains_pattern guarantees all slice accesses stay within array bounds without explicit bounds checking; when m*k > n the range is empty and the function returns False.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"counter-sub-empty-means-containment","text":"`not (A - Counter(B))` is true iff B contains at least as many of every key as A; this Counter subtraction idiom (which drops zero/negative counts) is the sole correctness mechanism for the completing-word check.","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"counter-subtraction-drops-nonpositive","text":"`Counter.__sub__` discards keys with zero or negative counts; an empty result after `A - B` means `A` is a sub-multiset of `B`.","truth_value":"IN","justification_count":0,"dependent_count":2,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"counter-subtraction-is-multiset-containment-test","text":"Counter subtraction serves as a multiset containment test across the repo: the drop-nonpositive semantics of `Counter.__sub__` mean that an empty result after `A - B` is equivalent to B containing at least as many of every element as A, and `not (A - B)` is the idiomatic one-expression sub-multiset check — replacing explicit key-by-key iteration with a single algebraic operation.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"unnecessary","source_type":"derived"},{"id":"delete-duplicates-returns-same-head","text":"`delete_duplicates` always returns the exact same `head` object it received (or `None` for empty input); it never allocates or replaces the head node.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"deque-never-empty-during-eviction","text":"In the recent-calls solution, the `while self.q[0] < t - 3000` loop cannot raise IndexError because the just-appended `t` always satisfies the window boundary, preventing full drain","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"destcity-empty-input-guard","text":"destCity raises ValueError on empty input; all other preconditions (valid path structure, linear chain) are trusted from the problem statement without validation.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"detect-capital-no-empty-guard","text":"detectCapitalUse accesses word[0] without a length check and will raise IndexError on empty input, relying on LeetCode's guarantee that len(word) >= 1.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"diagonal-sum-no-input-validation","text":"The function assumes `mat` is a non-empty square matrix and performs no shape or type validation.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"distance-value-empty-arr2-correct","text":"When `arr2` is empty, `findTheDistanceValue` correctly returns `len(arr1)` because `bisect_left` returns 0 and both boundary guards fail, so no element is marked too close.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"edge-case-inputs-crash-free","text":"Solutions handle degenerate inputs (empty strings, zero, single-element collections) without runtime crashes.","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""}],"count":105,"limit":20,"offset":0}