Randomized agreement with brute force (seed 2026, 2000 cases per problem)
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 1. maxSumSubarray           2000 cases, 0 disagreements
 2. permutationInString      2000 cases, 0 disagreements
 3. slidingWindowMaximum     2000 cases, 0 disagreements
 4. longestUniqueSubstring   2000 cases, 0 disagreements
 5. longestKDistinct         2000 cases, 0 disagreements
 6. characterReplacement     2000 cases, 0 disagreements
 7. longestOnes              2000 cases, 0 disagreements
 8. minSubArrayLen           2000 cases, 0 disagreements
 9. minWindow                2000 cases, 0 disagreements
10. twoSumSorted             2000 cases, 0 disagreements
11. threeSum                 2000 cases, 0 disagreements
12. maxArea                  2000 cases, 0 disagreements

total: 24000 comparisons (any disagreement would have failed the build)