{"updated":"2025-01-20T02:17:03.556692+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00187412","sets":["581:9322:9326"]},"path":["9326"],"owner":"11","recid":"187412","title":["Dosun-Fuwari is NP-complete"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-04-15"},"_buckets":{"deposit":"15e25aa9-48b3-4a85-821e-e1590f45603f"},"_deposit":{"id":"187412","pid":{"type":"depid","value":"187412","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"Dosun-Fuwari is NP-complete","author_link":["424004","424002","424003","424005"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Dosun-Fuwari is NP-complete"},{"subitem_title":"Dosun-Fuwari is NP-complete","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"[一般論文（テクニカルノート）] Dosun-Fuwari, pencil puzzle, NP-complete","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"2018-04-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Engineering, Hiroshima University"},{"subitem_text_value":"School of Integrated Arts and Sciences, Hiroshima University"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Engineering, Hiroshima University","subitem_text_language":"en"},{"subitem_text_value":"School of Integrated Arts and Sciences, Hiroshima University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/187412/files/IPSJ-JNL5904016.pdf","label":"IPSJ-JNL5904016.pdf"},"date":[{"dateType":"Available","dateValue":"2020-04-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL5904016.pdf","filesize":[{"value":"309.3 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"116b8964-0525-4dae-80db-044e73f7611e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Chuzo, Iwamoto"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tatsuaki, Ibusuki"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Chuzo, Iwamoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tatsuaki, Ibusuki","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Dosun-Fuwari is one of Nikoli's pencil puzzles, which is played on a rectangular grid of cells. Some of the cells are colored black, and the remaining cells are divided into rooms. The purpose of the puzzle is to place balloons and iron balls according to the following rules: Place one balloon and one iron ball in each room. Balloons (resp. iron balls) are light and float (heavy and sink), so they must be placed in the top (bottom) row of the grid of cells, or in a cell right under (over) a black cell or right under other balloons (over other iron balls). It is shown that deciding whether a Dosun-Fuwari puzzle has a solution is NP-complete.\n------------------------------\nThis is a preprint of an article intended for publication Journal of\nInformation Processing(JIP). This preprint should not be cited. This\narticle should be cited as: Journal of Information Processing Vol.26(2018) (online)\nDOI　http://dx.doi.org/10.2197/ipsjjip.26.358\n------------------------------","subitem_description_type":"Other"}]},"item_2_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Dosun-Fuwari is one of Nikoli's pencil puzzles, which is played on a rectangular grid of cells. Some of the cells are colored black, and the remaining cells are divided into rooms. The purpose of the puzzle is to place balloons and iron balls according to the following rules: Place one balloon and one iron ball in each room. Balloons (resp. iron balls) are light and float (heavy and sink), so they must be placed in the top (bottom) row of the grid of cells, or in a cell right under (over) a black cell or right under other balloons (over other iron balls). It is shown that deciding whether a Dosun-Fuwari puzzle has a solution is NP-complete.\n------------------------------\nThis is a preprint of an article intended for publication Journal of\nInformation Processing(JIP). This preprint should not be cited. This\narticle should be cited as: Journal of Information Processing Vol.26(2018) (online)\nDOI　http://dx.doi.org/10.2197/ipsjjip.26.358\n------------------------------","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicIssueDates":{"bibliographicIssueDate":"2018-04-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"59"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:54:05.379437+00:00","id":187412,"links":{}}