{"results":[{"id":"alien-dict-assumes-valid-order","text":"The alien dictionary solution assumes `order` covers all characters in `words`; a missing character produces an unhandled `KeyError` — no input validation.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"array-partition-no-validation","text":"`array_pair_sum` assumes even-length input and performs no length or type checking; odd-length input silently produces a wrong answer.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"calpoints-no-input-validation","text":"`calPoints` assumes all inputs are valid per the LeetCode contract and raises unhandled `IndexError` or `ValueError` on malformed input.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"climbing-stairs-no-input-validation","text":"`climbStairs` does not guard against `n <= 0`; passing 0 returns 0, and negative values return the negative input — both incorrect but outside the LeetCode contract `1 <= n <= 45`.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"closest-value-bst-ordering-assumed","text":"The directional pruning (`left if target < node.val else right`) is only correct for valid BSTs; a non-BST input silently produces wrong results with no validation.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"coherence-through-elimination-not-enforcement","text":"The repo exhibits architectural coherence primarily through elimination of prerequisites rather than enforcement of conventions: construction-based correctness removes the need for runtime validation, and submission-optimized isolation removes the need for cross-module coordination — together these patterns explain the characteristically lean function bodies, with this convergence emerging from LeetCode's problem structure rather than top-down design.","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""},{"id":"confusing-number-rotate-dict-dual-purpose","text":"The `rotate` dict serves as both a validity whitelist (membership test for rotatable digits) and a transformation function (mapping each digit to its rotation), avoiding separate validation and transformation steps.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"construction-and-isolation-jointly-eliminate-defensive-code","text":"Construction-based correctness eliminates runtime validation (no defensive checks at function boundaries), while submission-optimized isolation eliminates integration safeguards (no cross-module contracts to enforce) — together they remove both categories of defensive code that engineering discipline would normally require, explaining the repo's characteristically lean function bodies.","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""},{"id":"convergence-implies-individual-correctness","text":"Uncoordinated convergence on streaming and pipeline paradigms should produce solutions that are individually correct within their problem's input domain, because the converged-upon strategies embed correctness via construction rather than validation.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""},{"id":"convergence-without-coordination-at-every-level","text":"The repo exhibits emergent convergence at both the algorithmic level (two paradigms cover the solution space) and the correctness level (construction techniques replace validation), despite zero top-down coordination — LeetCode's problem structure alone is sufficient to drive architectural convergence across independent solutions.","truth_value":"IN","justification_count":1,"dependent_count":3,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""},{"id":"correctness-by-construction-not-validation","text":"Solutions achieve correctness through three construction techniques — exact arithmetic prevents precision errors, sentinel initialization eliminates boundary-condition branches, and LeetCode's input contract removes invalid-input scenarios — rather than through any form of runtime defensive checking.","truth_value":"IN","justification_count":1,"dependent_count":9,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","source_type":""},{"id":"crawler-log-implicit-child-entry","text":"Any log string that isn't `\"../\"` or `\"./\"` is treated as entering a child folder — there is no validation of the folder name, so malformed strings silently increment depth.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"defense-investment-tracks-judge-reward-signal","text":"The selective defense pattern (invest in efficiency-improving conditions like early exit, skip robustness-improving conditions like input validation) is a specific instantiation of the quality equilibrium: the LeetCode judge rewards algorithmic efficiency but is indifferent to engineering robustness, so defensive investment follows the reward gradient exactly.","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"pass","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":"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":"diet-plan-no-input-validation","text":"`dietPlanPerformance` performs no validation; if `k > len(calories)` the loop never executes and produces a single (possibly incorrect) evaluation rather than raising an error.","truth_value":"IN","justification_count":0,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"digit-sum-no-validation","text":"`digitSum` performs no input validation; non-digit characters raise `ValueError` from `int(c)`, and `k=0` raises `ValueError` from `range(0, len(s), 0)`.","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"elimination-and-reduction-are-isomorphic","text":"The three elimination axes and the three-tier reduction hierarchy are isomorphic characterizations of the same structural phenomenon: computation elimination maps to mathematical reduction (closed-form replaces iteration), validation elimination maps to streaming's self-sufficiency (no prerequisites to eliminate), and coupling elimination maps to the preprocessing adapter pattern (isolation removes inter-solution dependencies that would otherwise require coordination).","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"invalid","source_type":"derived"},{"id":"elimination-and-streaming-are-dual-descriptions","text":"The elimination principle (removing validation, coupling, and complexity at the architectural level) and the streaming paradigm (retaining only minimal single-pass computation at the algorithmic level) are dual descriptions of the same structural phenomenon: the three elimination axes map onto the three reduction tiers via their shared isomorphism, and streaming's universality-minimality coincidence is the computational realization of elimination's architectural minimality.","truth_value":"IN","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"invalid","source_type":"derived"},{"id":"elimination-explains-defect-confinement-mechanism","text":"Defect confinement is a direct structural consequence of the elimination principle's operation through duality: elimination removes the coupling channels (validation paths, shared imports, cross-module state) through which engineering defects could propagate to runtime behavior, and since streaming — elimination's dual — requires none of these channels, the confinement is not merely observed but mechanistically explained by the same force that shapes the solution space.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-07T22:02:22","review_result":"invalid","source_type":"derived"}],"count":90,"limit":20,"offset":0}