{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-04-06T14:01:22.000Z","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":"2026-04-06T00:00:00.000Z","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":45362,"title":"RIPEMD160 Hash","description":"Generator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash.\r\n\r\nFor example:\r\nInput='My name is David Hill.';\r\nOutput='372FF8C35C873D79312BFAF92BE55F7602164B1A';","description_html":"\u003cp\u003eGenerator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash.\u003c/p\u003e\u003cp\u003eFor example:\r\nInput='My name is David Hill.';\r\nOutput='372FF8C35C873D79312BFAF92BE55F7602164B1A';\u003c/p\u003e","function_template":"function y = ripemd160(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = 'My name is David Hill.';\r\ny_correct = '372FF8C35C873D79312BFAF92BE55F7602164B1A';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'The way to get started is to quit talking and begin doing.';\r\ny_correct = '6F96416D233B7C067450D1D18B81FC4A44E1C717';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'Tell me and I forget. Teach me and I remember. Involve me and I learn.';\r\ny_correct = 'B0BBACB5B165097B5DCA7234C35384BC1687D9E0';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'People who succeed have momentum. The more they succeed, the more they want to succeed and the more they find a way to succeed. Similarly, when someone is failing, the tendency is to get on a downward spiral that can even become a self-fulfilling prophecy.';\r\ny_correct = 'E0F1ED57289F3975DEB3E3CF40614D2DAD513C7B';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.';\r\ny_correct = 'BD31F5187B6ECD34B2BFC8255D9178AA9C862EF2';\r\nassert(isequal(ripemd160(x),y_correct))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":1,"created_by":145982,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":8,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2020-03-08T03:45:28.000Z","updated_at":"2025-10-11T17:10:56.000Z","published_at":"2020-03-08T03:47:36.000Z","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\u003eGenerator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eFor example: Input='My name is David Hill.'; Output='372FF8C35C873D79312BFAF92BE55F7602164B1A';\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":{"errors":[],"problems":[{"id":45362,"title":"RIPEMD160 Hash","description":"Generator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash.\r\n\r\nFor example:\r\nInput='My name is David Hill.';\r\nOutput='372FF8C35C873D79312BFAF92BE55F7602164B1A';","description_html":"\u003cp\u003eGenerator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash.\u003c/p\u003e\u003cp\u003eFor example:\r\nInput='My name is David Hill.';\r\nOutput='372FF8C35C873D79312BFAF92BE55F7602164B1A';\u003c/p\u003e","function_template":"function y = ripemd160(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = 'My name is David Hill.';\r\ny_correct = '372FF8C35C873D79312BFAF92BE55F7602164B1A';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'The way to get started is to quit talking and begin doing.';\r\ny_correct = '6F96416D233B7C067450D1D18B81FC4A44E1C717';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'Tell me and I forget. Teach me and I remember. Involve me and I learn.';\r\ny_correct = 'B0BBACB5B165097B5DCA7234C35384BC1687D9E0';\r\nassert(isequal(ripemd160(x),y_correct))\r\n%%\r\nx = 'People who succeed have momentum. The more they succeed, the more they want to succeed and the more they find a way to succeed. 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