{"request":{"endpoint":"https://exercism.org/api/v2/tracks/r/exercises/killer-sudoku-helper/community_solutions","query":{},"options":{"initial_data":{"results":[{"uuid":"d7b9169831624b538f1f948bc8c796b9","snippet":"combinations <- function(size, goal_sum, exclude) { # The pool of available digits in Sudoku is 1 to 9 digits <- 1:9 # Remove the excluded digits from our pool available_digits <- setdiff(digits, exclude) # If the size is larger than the number of available digits, # or if size is 0, no combinations are possible. if (size <= 0 || size > length(available_digits)) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":14,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2026-06-08T09:09:29.000Z","is_out_of_date":false,"language":"r","author":{"handle":"david82"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/david82","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"103937f4269d4c56bc0b8b7729eb3c9e","snippet":"combinations <- function(size, goal_sum, exclude, start = 1) { if (size == 0) if (goal_sum == 0) return(list(integer(0))) else return(list()) result <- list() for (n in start:9) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":17,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2025-08-05T19:38:52.000Z","is_out_of_date":false,"language":"r","author":{"handle":"Muzicos"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/Muzicos","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"cd27b41c2b064b9e9a6fe35f9d8805db","snippet":"combinations <- function(size, goal_sum, exclude) { result <- list() # Fonction récursive avec contrainte d'ordre croissant strict generate <- function(current, start, remaining_sum) { if (length(current) == size) { if (remaining_sum == 0) { result[[length(result) + 1]] <<- current } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":18,"iteration_status":"analyzing","published_iteration_head_tests_status":"passed","published_at":"2025-06-03T13:25:09.000Z","is_out_of_date":false,"language":"r","author":{"handle":"Batou"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/Batou","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"2dee8559e69c49ffad753d26d3bab6b1","snippet":"combinations <- function(size, goal_sum, exclude) { dfs = function(dep, sum, now) { if (dep == size + 1) { if (sum == goal_sum) result[[length(result) + 1]] <<- current return() } if (sum > goal_sum) return() for (i in now:9) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":21,"iteration_status":"analyzing","published_iteration_head_tests_status":"passed","published_at":"2025-02-06T08:10:14.000Z","is_out_of_date":false,"language":"r","author":{"handle":"liuq901"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/liuq901","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"7e65160e5309459ebfa110ee7a9215db","snippet":"combinations <- function(size, goal_sum, exclude) { candidates <- c(1:9) |> setdiff(exclude) |> combn(size, simplify = FALSE) candidates[lapply(candidates, sum) == goal_sum] } ","num_views":0,"num_stars":1,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":6,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2025-01-23T12:41:22.000Z","is_out_of_date":false,"language":"r","author":{"handle":"ErikSchierboom"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/ErikSchierboom","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"26345a440ee14c17b5172b6cbbe1c989","snippet":"combinations <- function(size, goal_sum, exclude) { # Create a sequence of numbers from 1 to 9, excluding specified numbers num <- 1:9 num <- setdiff(num, exclude) # Generate all combinations of the specified size cage <- combn(num, size) # Filter combinations where the sum equals the goal sum cage <- cage[, colSums(cage) == goal_sum, drop = FALSE] ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":13,"iteration_status":"analyzing","published_iteration_head_tests_status":"passed","published_at":"2025-01-26T13:44:54.000Z","is_out_of_date":false,"language":"r","author":{"handle":"mariapirespac"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/mariapirespac","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"7eea932f70334512b6447bd716990cb6","snippet":"combinations <- function(size, goal_sum, exclude) { set <- setdiff(1:9, exclude) com <- combn(set, size) # h/t Ari B. Friedman https://stackoverflow.com/a/6819884 ans <- as.list(as.data.frame(com[, which(apply(com, 2, sum) == goal_sum)])) names(ans) <- NULL # kludge for test_that ans } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":7,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2025-02-01T02:02:43.000Z","is_out_of_date":false,"language":"r","author":{"handle":"frequenter"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/frequenter","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}},{"uuid":"3f754db069834a84a90d64edfa28faa2","snippet":"combinations <- function(size, goal_sum, exclude) { digits <- setdiff(1:9, exclude) # Quick impossibility checks if (size < 1 || size > length(digits)) return(list()) min_sum <- sum(head(digits, size)) max_sum <- sum(tail(digits, size)) if (goal_sum < min_sum || goal_sum > max_sum) return(list()) ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":14,"iteration_status":"analyzing","published_iteration_head_tests_status":"passed","published_at":"2025-12-24T01:57:50.000Z","is_out_of_date":false,"language":"r","author":{"handle":"LangoLearns"},"exercise":{"title":"Βοηθός Killer Sudoku","icon_url":"https://assets.exercism.org/assets/graphics/missing-exercise-54cf5afe4add37d9cf717793c91b088a7dd242ef.svg"},"track":{"title":"R","icon_url":"https://assets.exercism.org/tracks/r.svg","highlightjs_language":"r"},"links":{"public_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/solutions/LangoLearns","private_iterations_url":"https://exercism.org/el/tracks/r/exercises/killer-sudoku-helper/iterations"}}],"meta":{"current_page":1,"total_count":8,"total_pages":1,"unscoped_total":8}}}}}

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