### - d -

- decreaseKey() : MinHeap
- decrypt_text() : ciphers::HillCipher
- deleteElement() : data_structures::SkipList
- deleteKey() : MinHeap
- DeleteNode() : data_structures::tree_234::Tree234
- deleteString() : data_structures::trie
- DenseLayer() : machine_learning::neural_network::layers::DenseLayer
- dequeue() : data_structures::queue_using_array::Queue_Array
- deQueue() : queue< Kind >
- dfs() : graph::HKGraph
- dfs_hc() : range_queries::heavy_light_decomposition::HLD< X >
- dfs_labels() : range_queries::heavy_light_decomposition::HLD< X >
- dfs_lca() : range_queries::heavy_light_decomposition::Tree< X >
- dfs_par() : range_queries::heavy_light_decomposition::HLD< X >
- dfs_size() : range_queries::heavy_light_decomposition::Tree< X >
- digit_char() : large_number
- direction() : SegmentIntersection
- display() : data_structures::linked_list::list , data_structures::queue_using_array::Queue_Array , hash_chain , queue< Kind > , stack< Type >
- displayList() : data_structures::SkipList