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i < trees.size(); i++) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":31,"iteration_status":"non_actionable_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2023-09-09T05:11:20.000Z","is_out_of_date":false,"language":"java","author":{"handle":"Kteokon"},"exercise":{"title":"Σαγματικά σημεία","icon_url":"https://assets.exercism.org/exercises/saddle-points.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/saddle-points/solutions/Kteokon","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/saddle-points/iterations"}},{"uuid":"86fc0fe7c768408cb7bcd740cc21dfa3","snippet":"class Matrix { private final List> values; Matrix(List> values) { this.values = values; } Set getSaddlePoints() { Set saddlePoints = new HashSet<>(); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":43,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2025-07-01T14:39:02.000Z","is_out_of_date":false,"language":"java","author":{"handle":"kuryuliya"},"exercise":{"title":"Σαγματικά σημεία","icon_url":"https://assets.exercism.org/exercises/saddle-points.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/saddle-points/solutions/kuryuliya","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/saddle-points/iterations"}},{"uuid":"c364c69435f04b508417664d97954cfe","snippet":"class Matrix { private final List> matrix; 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