{"id":"array-partition-sort-greedy","text":"`array_pair_sum` uses sort + even-index sum as its greedy strategy; no dynamic programming or enumeration.","truth_value":"IN","source":"entries/2026/06/06/array-partition-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["sort-preprocessing-enables-linear-scan"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"array-partition-sort-greedy","truth_value":"IN","reason":"premise"}]}}