Data update
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7735 changed files with 38060 additions and 199180 deletions
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@ -1,54 +1,54 @@
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// Function to construct a new integer from the first and last digits of another
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function gapfulness_divisor (number) {
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var digit_string = number.toString(10)
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var digit_count = digit_string.length
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var first_digit = digit_string.substring(0, 1)
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var last_digit = digit_string.substring(digit_count - 1)
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return parseInt(first_digit.concat(last_digit), 10)
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var digit_string = number.toString(10)
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var digit_count = digit_string.length
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var first_digit = digit_string.substring(0, 1)
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var last_digit = digit_string.substring(digit_count - 1)
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return parseInt(first_digit.concat(last_digit), 10)
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}
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// Divisibility test to determine gapfulness
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function is_gapful (number) {
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return number % gapfulness_divisor(number) == 0
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return number % gapfulness_divisor(number) == 0
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}
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// Function to search for the least gapful number greater than a given integer
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function next_gapful (number) {
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do {
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++number
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} while (!is_gapful(number))
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return number
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do {
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++number
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} while (!is_gapful(number))
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return number
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}
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// Constructor for a list of gapful numbers starting from given lower bound
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function gapful_numbers (start, amount) {
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var list = [], count = 0, number = start
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if (amount > 0 && is_gapful(start)) {
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list.push(start)
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}
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while (list.length < amount) {
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number = next_gapful(number)
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list.push(number)
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}
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return list
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var list = [], count = 0, number = start
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if (amount > 0 && is_gapful(start)) {
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list.push(start)
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}
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while (list.length < amount) {
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number = next_gapful(number)
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list.push(number)
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}
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return list
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}
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// Formatter for a comma-separated list of gapful numbers
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function single_line_gapfuls (start, amount) {
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var list = gapful_numbers(start, amount)
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return list.join(", ")
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var list = gapful_numbers(start, amount)
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return list.join(", ")
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}
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// Windows console output wrapper
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function print(message) {
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WScript.StdOut.WriteLine(message)
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WScript.StdOut.WriteLine(message)
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}
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// Main algorithm
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function print_gapfuls_with_header(start, amount) {
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print("First " + start + " gapful numbers starting at " + amount)
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print(single_line_gapfuls(start, amount))
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print("First " + start + " gapful numbers starting at " + amount)
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print(single_line_gapfuls(start, amount))
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}
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print_gapfuls_with_header(100, 30)
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