{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-06-15T00:16:26.000Z","description":"Problems submitted by members of the MATLAB Central community.","is_default":true,"created_by":161519,"badge_id":null,"featured":false,"trending":false,"solution_count_in_trending_period":0,"trending_last_calculated":"2026-06-15T00:00:00.000Z","image_id":null,"published":true,"community_created":false,"status_id":2,"is_default_group_for_player":false,"deleted_by":null,"deleted_at":null,"restored_by":null,"restored_at":null,"description_opc":null,"description_html":null,"published_at":null},"problems":[{"id":444,"title":"count any radix?","description":"given radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.","description_html":"\u003cp\u003egiven radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.\u003c/p\u003e","function_template":"function c = counteradix(r,d)\r\n   c = {'00' '01' '10' '11'};\r\nend","test_suite":"%%\r\nr=2; d=3; c=counteradix(r,d);\r\nc_correct = {'000' '001' '010' '011' '100' '101' '110' '111'};\r\nassert(isequal(c,c_correct))\r\n%%\r\nassert(isequal(counteradix(3,2),{'00' '01' '02' '10' '11' '12' '20' '21' '22'}))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":166,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":45,"test_suite_updated_at":"2012-03-24T04:15:39.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-03-04T02:03:22.000Z","updated_at":"2026-04-14T14:52:56.000Z","published_at":"2012-03-04T14:55:37.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003egiven radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"}],"problem_search":{"problems":[{"id":444,"title":"count any radix?","description":"given radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.","description_html":"\u003cp\u003egiven radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.\u003c/p\u003e","function_template":"function c = counteradix(r,d)\r\n   c = {'00' '01' '10' '11'};\r\nend","test_suite":"%%\r\nr=2; d=3; c=counteradix(r,d);\r\nc_correct = {'000' '001' '010' '011' '100' '101' '110' '111'};\r\nassert(isequal(c,c_correct))\r\n%%\r\nassert(isequal(counteradix(3,2),{'00' '01' '02' '10' '11' '12' '20' '21' '22'}))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":166,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":45,"test_suite_updated_at":"2012-03-24T04:15:39.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-03-04T02:03:22.000Z","updated_at":"2026-04-14T14:52:56.000Z","published_at":"2012-03-04T14:55:37.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003egiven radix r(2-9), digts d(1-4), give all possible strings in sorted order. for example, if r=2, d=2, then output {'00' '01' '10' '11'}. Please try the general solution. The test suite will be modified to ensure further debuggering.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"}],"errors":[],"facets":[[],[{"value":"medium","count":1,"selected":false}]],"term":"tag:\"radix\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}