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* Fix is_empty() implementation in the stack and queue chapter * Update en/CONTRIBUTING.md * Remove "剩余" from the state definition of knapsack problem * Sync zh and zh-hant versions * Update the stylesheets of code tabs * Fix quick_sort.rb * Fix TS code * Update chapter_paperbook * Upload the manuscript of 0.1 section * Fix binary_tree_dfs.rb * Bug fixes * Update README * Update README * Update README * Update README.md * Update README * Sync zh and zh-hant versions * Bug fixes
44 lines
1 KiB
Ruby
44 lines
1 KiB
Ruby
=begin
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File: hash_map.rb
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Created Time: 2024-04-14
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Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)
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=end
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require_relative '../utils/print_util'
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### Driver Code ###
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if __FILE__ == $0
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# 初始化雜湊表
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hmap = {}
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# 新增操作
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# 在雜湊表中新增鍵值對 (key, value)
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hmap[12836] = "小哈"
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hmap[15937] = "小囉"
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hmap[16750] = "小算"
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hmap[13276] = "小法"
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hmap[10583] = "小鴨"
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puts "\n新增完成後，雜湊表為\nKey -> Value"
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print_hash_map(hmap)
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# 查詢操作
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# 向雜湊表中輸入鍵 key ，得到值 value
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name = hmap[15937]
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puts "\n輸入學號 15937 ，查詢到姓名 #{name}"
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# 刪除操作
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# 在雜湊表中刪除鍵值對 (key, value)
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hmap.delete(10583)
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puts "\n刪除 10583 後，雜湊表為\nKey -> Value"
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print_hash_map(hmap)
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# 走訪雜湊表
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puts "\n走訪鍵值對 Key->Value"
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hmap.entries.each { |key, value| puts "#{key} -> #{value}" }
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puts "\n單獨走訪鍵 Key"
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hmap.keys.each { |key| puts key }
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puts "\n單獨走訪值 Value"
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hmap.values.each { |val| puts val }
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end
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