{"id":145859,"date":"2025-07-14T17:15:50","date_gmt":"2025-07-14T11:45:50","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=145859"},"modified":"2025-07-14T17:15:50","modified_gmt":"2025-07-14T11:45:50","slug":"music-play-list-using-dsa-cpp","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/music-play-list-using-dsa-cpp\/","title":{"rendered":"DSA C++ Project – Music Play List"},"content":{"rendered":"

Program 1<\/h3>\n
\/\/ Music Play List Based on Duobly Linked List\r\n#include <iostream>\r\n#include <string>\r\nusing namespace std;\r\n\r\n\/\/ Node representing a song\r\nstruct Song \r\n{\r\n    Song* prev;\r\n    string title;\r\n    Song* next;\r\n\r\n    \/\/Song(string t) : title(t), prev(nullptr), next(nullptr) {}\r\n    Song(string t) \r\n    {\r\n        title = t;\r\n        prev = nullptr;\r\n        next = nullptr;\r\n    }\r\n};\r\n\r\n\/\/ Playlist class\r\nclass MusicPlaylist \r\n{\r\nprivate:\r\n    Song* head;\r\n    Song* tail;\r\n    Song* current;\r\n\r\npublic:\r\n    \/\/MusicPlaylist() : head(nullptr), tail(nullptr), current(nullptr) {}\r\n\r\n    MusicPlaylist() \r\n    {\r\n        head = nullptr;\r\n        tail = nullptr;\r\n        current = nullptr;\r\n    }\r\n\r\n    \/\/ Add song to end\r\n    void addSong(const string& title) \r\n    {\r\n        Song* newSong = new Song(title);\r\n        if (!head) \r\n        {\r\n            head = tail = current = newSong;\r\n        } \r\n        else \r\n        {\r\n            tail->next = newSong;\r\n            newSong->prev = tail;\r\n            tail = newSong;\r\n        }\r\n        cout << \"Added: \" << title << endl;\r\n    }\r\n\r\n    \/\/ Delete current song\r\n    void deleteCurrentSong() \r\n    {\r\n        if (!current)\r\n         {\r\n            cout << \"No song to delete.\\n\";\r\n            return;\r\n        }\r\n\r\n        cout << \"Deleting: \" << current->title << endl;\r\n\r\n        if (current->prev!=NULL)\r\n            current->prev->next = current->next;\r\n        else\r\n            head = current->next;\r\n\r\n        if (current->next)\r\n            current->next->prev = current->prev;\r\n        else\r\n            tail = current->prev;\r\n\r\n        Song* temp = current;\r\n        current = current->next ? current->next : current->prev;\r\n        delete temp;\r\n    }\r\n\r\n    \/\/ Go to next song\r\n    void nextSong() \r\n    {\r\n        if (current  && current->next) \r\n        {\r\n            current = current->next;\r\n            cout << \"Now playing: \" << current->title << endl;\r\n        } else \r\n        {\r\n            cout << \"You're at the end of the playlist.\\n\";\r\n        }\r\n    }\r\n\r\n    \/\/ Go to previous song\r\n    void prevSong() \r\n    {\r\n        if (current && current->prev)\r\n         {\r\n            current = current->prev;\r\n            cout << \"Now playing: \" << current->title << endl;\r\n        } else {\r\n            cout << \"You're at the start of the playlist.\\n\";\r\n        }\r\n    }\r\n\r\n    \/\/ Display the playlist\r\n    void displayPlaylist() \r\n    {\r\n      if(head==NULL)  \r\n        cout<<\"\\n List is empty\";\r\n      else\r\n     {   \r\n        cout << \"\\n--- Playlist ---\\n\";\r\n        Song* temp = head;\r\n        while (temp) \r\n        {\r\n            if (temp == current)\r\n                cout << \"-> \" << temp->title << \" [CURRENT]\\n\";\r\n            else\r\n                cout << \"   \" << temp->title << endl;\r\n            temp = temp->next;\r\n        }\r\n    }  \r\n    }\r\n\r\n    \/\/ Destructor to free memory\r\n    ~MusicPlaylist() \r\n    {\r\n        Song* temp;\r\n        while (head) \r\n        {\r\n            temp = head;\r\n            head = head->next;\r\n            delete temp;\r\n        }\r\n    }\r\n};\r\n\r\n\/\/ Main menu\r\nint main() \r\n{\r\n    MusicPlaylist playlist;\r\n    int choice;\r\n    string title;\r\n\r\n    while (true) \r\n    {\r\n        cout << \"\\n=== Music Playlist Menu ===\\n\";\r\n        cout << \"1. Add Song\\n\";\r\n        cout << \"2. Delete Current Song\\n\";\r\n        cout << \"3. Next Song\\n\";\r\n        cout << \"4. Previous Song\\n\";\r\n        cout << \"5. Show Playlist\\n\";\r\n        cout << \"6. Exit\\n\";\r\n        cout << \"Enter your choice: \";\r\n        cin >> choice;\r\n        cin.ignore(); \/\/ Clear newline from input buffer\r\n\r\n        switch (choice) \r\n        {\r\n            case 1:\r\n                cout << \"Enter song title: \";\r\n                getline(cin, title);\r\n                playlist.addSong(title);\r\n                break;\r\n            case 2:\r\n                playlist.deleteCurrentSong();\r\n                break;\r\n            case 3:\r\n                playlist.nextSong();\r\n                break;\r\n            case 4:\r\n                playlist.prevSong();\r\n                break;\r\n            case 5:\r\n                playlist.displayPlaylist();\r\n                break;\r\n            case 6:\r\n                cout << \"Exiting playlist.\\n\";\r\n                return 0;\r\n            default:\r\n                cout << \"Invalid choice. Try again.\\n\";\r\n        }\r\n    }\r\n\r\n    return 0;\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
Program 1 \/\/ Music Play List Based on Duobly Linked List #include <iostream> #include <string> using namespace std; \/\/ Node representing a song struct Song { Song* prev; string title; Song* next; \/\/Song(string t)...<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31449],"tags":[32874,34895,34898,34886,34893,34892,34894,34833,34897,34896],"class_list":["post-145859","post","type-post","status-publish","format-standard","hentry","category-dsa-cpp-tutorials","tag-dsa-c","tag-dsa-c-music-playlist","tag-dsa-c-program-music-play-list","tag-dsa-cpp","tag-dsa-cpp-practical","tag-dsa-cpp-program","tag-dsa-cpp-project","tag-music-playlist","tag-music-playlist-in-dsa-c","tag-music-playlist-using-dsa-c"],"yoast_head":"\nDSA C++ Project - Music Play List - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/music-play-list-using-dsa-cpp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DSA C++ Project - Music Play List - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Music Play List Based on Duobly Linked List #include <iostream> #include <string> using namespace std; 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