{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2025-12-14T01:33:56.000Z","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":"2025-12-14T00:00:00.000Z","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":1115,"title":"USC Fall 2012 ACM: Driving the Rover","description":"This Challenge is to solve Question E, Driving the Rover, of the \u003chttp://contest.usc.edu/index.php/Fall12/Home USC ACM Fall 2012 Contest\u003e.\r\n\r\nThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \"final position\", [x,y]. The \"final position\" is the Rover location 1 second after the final command.\r\n\r\n  Initial conditions are Rover Stopped and Facing +Y.\r\n  Commands are processed at 1 second intervals\r\n  \r\n  Commands and their attributes:\r\n  FORWARD: Starts rolling forward at 1 cm/s\r\n  BACKWARDS: Roll backwards at 1 cm/s\r\n  FASTER: Increase forward speed by 1 cm/s up to 5 cm/s\r\n  SLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \"Stopped\"\r\n  STOP: Halts rover movement\r\n  RIGHT: Turn rover 90 degrees to the right\r\n  LEFT: Turn the rover 90 degrees to the left\r\n  NOOP: No change in anything \r\n\r\n\r\n  Commands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\r\n\r\n  Commands FASTER and SLOWER only take effect if the rover is moving forward.\r\n\r\n\r\n*Input: [Cell array of Rover Commands]*\r\n\r\n*Output: [x, y ]*; Final Position 1 second after last command;\r\n\r\n\r\nThe full \u003chttp://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.in.txt USC data file\u003e\r\n\r\n*Example:*\r\n\r\n*Input: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}*\r\n\r\n*Output: [3 2]* as the first RIGHT is ignored \r\n \r\n\r\n\u003chttp://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.bozhang.cpp.txt A Contest Drive solution\u003e.  Time to Solve: 9 minutes. Start.\r\n\r\nThis is predecessor to the Martian Pits Challenge.\r\n\r\n","description_html":"\u003cp\u003eThis Challenge is to solve Question E, Driving the Rover, of the \u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home\"\u003eUSC ACM Fall 2012 Contest\u003c/a\u003e.\u003c/p\u003e\u003cp\u003eThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \"final position\", [x,y]. The \"final position\" is the Rover location 1 second after the final command.\u003c/p\u003e\u003cpre class=\"language-matlab\"\u003eInitial conditions are Rover Stopped and Facing +Y.\r\nCommands are processed at 1 second intervals\r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands and their attributes:\r\nFORWARD: Starts rolling forward at 1 cm/s\r\nBACKWARDS: Roll backwards at 1 cm/s\r\nFASTER: Increase forward speed by 1 cm/s up to 5 cm/s\r\nSLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \"Stopped\"\r\nSTOP: Halts rover movement\r\nRIGHT: Turn rover 90 degrees to the right\r\nLEFT: Turn the rover 90 degrees to the left\r\nNOOP: No change in anything \r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands FASTER and SLOWER only take effect if the rover is moving forward.\r\n\u003c/pre\u003e\u003cp\u003e\u003cb\u003eInput: [Cell array of Rover Commands]\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput: [x, y ]\u003c/b\u003e; Final Position 1 second after last command;\u003c/p\u003e\u003cp\u003eThe full \u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.in.txt\"\u003eUSC data file\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eExample:\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eInput: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput: [3 2]\u003c/b\u003e as the first RIGHT is ignored\u003c/p\u003e\u003cp\u003e\u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.bozhang.cpp.txt\"\u003eA Contest Drive solution\u003c/a\u003e.  Time to Solve: 9 minutes. Start.\u003c/p\u003e\u003cp\u003eThis is predecessor to the Martian Pits Challenge.\u003c/p\u003e","function_template":"function xy=Drive(m)\r\n  xy=[0,0];\r\nend","test_suite":"%%\r\ntic\r\nurlwrite('http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.in.txt','driving.in.txt');\r\ntoc\r\n%%\r\n fid=fopen('driving.in.txt','r');\r\n xy_expect=[3 2;2 29;107 23;-79 -72];\r\n \r\n qty=fscanf(fid,'%i',1);\r\n for q=1:qty %qty\r\n  n = fscanf(fid,'%f\\n',1); % commands\r\n  m=cell(n,1);\r\n  for i=1:n\r\n   m{i}=fgetl(fid);\r\n  end\r\n \r\n   [xy]=Drive(m) ;\r\n   assert(isequal(xy,xy_expect(q,:)))\r\n%   fprintf('Q %i  x %i  y %i  Pass %i\\n',q,xy,tf)\r\n   \r\n  \r\n end % q\r\n \r\n fclose(fid);\r\ntoc","published":true,"deleted":false,"likes_count":0,"comments_count":0,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":7,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2012-12-12T03:32:42.000Z","updated_at":"2012-12-12T04:06:15.000Z","published_at":"2012-12-12T04:06:15.000Z","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\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"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\\n\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\u003eThis Challenge is to solve Question E, Driving the Rover, of the\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eUSC ACM Fall 2012 Contest\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \\\"final position\\\", [x,y]. The \\\"final position\\\" is the Rover location 1 second after the final command.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"code\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e\u003c![CDATA[Initial conditions are Rover Stopped and Facing +Y.\\nCommands are processed at 1 second intervals\\n\\nCommands and their attributes:\\nFORWARD: Starts rolling forward at 1 cm/s\\nBACKWARDS: Roll backwards at 1 cm/s\\nFASTER: Increase forward speed by 1 cm/s up to 5 cm/s\\nSLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \\\"Stopped\\\"\\nSTOP: Halts rover movement\\nRIGHT: Turn rover 90 degrees to the right\\nLEFT: Turn the rover 90 degrees to the left\\nNOOP: No change in anything \\n\\nCommands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\\n\\nCommands FASTER and SLOWER only take effect if the rover is moving forward.]]\u003e\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput: [Cell array of Rover Commands]\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput: [x, y ]\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e; Final Position 1 second after last command;\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe full\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.in.txt\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eUSC data file\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eExample:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput: [3 2]\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e as the first RIGHT is ignored\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.bozhang.cpp.txt\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eA Contest Drive solution\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e. Time to Solve: 9 minutes. Start.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis is predecessor to the Martian Pits Challenge.\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":1115,"title":"USC Fall 2012 ACM: Driving the Rover","description":"This Challenge is to solve Question E, Driving the Rover, of the \u003chttp://contest.usc.edu/index.php/Fall12/Home USC ACM Fall 2012 Contest\u003e.\r\n\r\nThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \"final position\", [x,y]. The \"final position\" is the Rover location 1 second after the final command.\r\n\r\n  Initial conditions are Rover Stopped and Facing +Y.\r\n  Commands are processed at 1 second intervals\r\n  \r\n  Commands and their attributes:\r\n  FORWARD: Starts rolling forward at 1 cm/s\r\n  BACKWARDS: Roll backwards at 1 cm/s\r\n  FASTER: Increase forward speed by 1 cm/s up to 5 cm/s\r\n  SLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \"Stopped\"\r\n  STOP: Halts rover movement\r\n  RIGHT: Turn rover 90 degrees to the right\r\n  LEFT: Turn the rover 90 degrees to the left\r\n  NOOP: No change in anything \r\n\r\n\r\n  Commands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\r\n\r\n  Commands FASTER and SLOWER only take effect if the rover is moving forward.\r\n\r\n\r\n*Input: [Cell array of Rover Commands]*\r\n\r\n*Output: [x, y ]*; Final Position 1 second after last command;\r\n\r\n\r\nThe full \u003chttp://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.in.txt USC data file\u003e\r\n\r\n*Example:*\r\n\r\n*Input: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}*\r\n\r\n*Output: [3 2]* as the first RIGHT is ignored \r\n \r\n\r\n\u003chttp://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.bozhang.cpp.txt A Contest Drive solution\u003e.  Time to Solve: 9 minutes. Start.\r\n\r\nThis is predecessor to the Martian Pits Challenge.\r\n\r\n","description_html":"\u003cp\u003eThis Challenge is to solve Question E, Driving the Rover, of the \u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home\"\u003eUSC ACM Fall 2012 Contest\u003c/a\u003e.\u003c/p\u003e\u003cp\u003eThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \"final position\", [x,y]. The \"final position\" is the Rover location 1 second after the final command.\u003c/p\u003e\u003cpre class=\"language-matlab\"\u003eInitial conditions are Rover Stopped and Facing +Y.\r\nCommands are processed at 1 second intervals\r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands and their attributes:\r\nFORWARD: Starts rolling forward at 1 cm/s\r\nBACKWARDS: Roll backwards at 1 cm/s\r\nFASTER: Increase forward speed by 1 cm/s up to 5 cm/s\r\nSLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \"Stopped\"\r\nSTOP: Halts rover movement\r\nRIGHT: Turn rover 90 degrees to the right\r\nLEFT: Turn the rover 90 degrees to the left\r\nNOOP: No change in anything \r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\r\n\u003c/pre\u003e\u003cpre class=\"language-matlab\"\u003eCommands FASTER and SLOWER only take effect if the rover is moving forward.\r\n\u003c/pre\u003e\u003cp\u003e\u003cb\u003eInput: [Cell array of Rover Commands]\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput: [x, y ]\u003c/b\u003e; Final Position 1 second after last command;\u003c/p\u003e\u003cp\u003eThe full \u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.in.txt\"\u003eUSC data file\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eExample:\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eInput: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput: [3 2]\u003c/b\u003e as the first RIGHT is ignored\u003c/p\u003e\u003cp\u003e\u003ca href=\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.bozhang.cpp.txt\"\u003eA Contest Drive solution\u003c/a\u003e.  Time to Solve: 9 minutes. Start.\u003c/p\u003e\u003cp\u003eThis is predecessor to the Martian Pits Challenge.\u003c/p\u003e","function_template":"function xy=Drive(m)\r\n  xy=[0,0];\r\nend","test_suite":"%%\r\ntic\r\nurlwrite('http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026upname=driving.in.txt','driving.in.txt');\r\ntoc\r\n%%\r\n fid=fopen('driving.in.txt','r');\r\n xy_expect=[3 2;2 29;107 23;-79 -72];\r\n \r\n qty=fscanf(fid,'%i',1);\r\n for q=1:qty %qty\r\n  n = fscanf(fid,'%f\\n',1); % commands\r\n  m=cell(n,1);\r\n  for i=1:n\r\n   m{i}=fgetl(fid);\r\n  end\r\n \r\n   [xy]=Drive(m) ;\r\n   assert(isequal(xy,xy_expect(q,:)))\r\n%   fprintf('Q %i  x %i  y %i  Pass %i\\n',q,xy,tf)\r\n   \r\n  \r\n end % q\r\n \r\n fclose(fid);\r\ntoc","published":true,"deleted":false,"likes_count":0,"comments_count":0,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":7,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2012-12-12T03:32:42.000Z","updated_at":"2012-12-12T04:06:15.000Z","published_at":"2012-12-12T04:06:15.000Z","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\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"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\\n\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\u003eThis Challenge is to solve Question E, Driving the Rover, of the\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eUSC ACM Fall 2012 Contest\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe Rover is sent a Series of commands. Your task is to emulate the Rover response to the sequence and determine its \\\"final position\\\", [x,y]. The \\\"final position\\\" is the Rover location 1 second after the final command.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"code\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e\u003c![CDATA[Initial conditions are Rover Stopped and Facing +Y.\\nCommands are processed at 1 second intervals\\n\\nCommands and their attributes:\\nFORWARD: Starts rolling forward at 1 cm/s\\nBACKWARDS: Roll backwards at 1 cm/s\\nFASTER: Increase forward speed by 1 cm/s up to 5 cm/s\\nSLOWER: Decrease forward speed by 1 cm/s down to 0 cm/s. At 0 cm/s Rover is \\\"Stopped\\\"\\nSTOP: Halts rover movement\\nRIGHT: Turn rover 90 degrees to the right\\nLEFT: Turn the rover 90 degrees to the left\\nNOOP: No change in anything \\n\\nCommands FORWARD, BACKWARDS, RIGHT, LEFT only take effect if the rover is stopped. A moving rover ignores these commands.\\n\\nCommands FASTER and SLOWER only take effect if the rover is moving forward.]]\u003e\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput: [Cell array of Rover Commands]\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput: [x, y ]\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e; Final Position 1 second after last command;\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe full\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.in.txt\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eUSC data file\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eExample:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput: {'FORWARD' 'RIGHT' 'STOP' 'RIGHT' 'FORWARD' 'FASTER'}\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput: [3 2]\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e as the first RIGHT is ignored\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:hyperlink w:docLocation=\\\"http://contest.usc.edu/index.php/Fall12/Home?action=download\u0026amp;upname=driving.bozhang.cpp.txt\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eA Contest Drive solution\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e. Time to Solve: 9 minutes. Start.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis is predecessor to the Martian Pits Challenge.\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\"}]}"}],"term":"tag:\"state machine\"","current_player_id":null,"fields":[{"name":"page","type":"integer","callback":null,"default":1,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"per_page","type":"integer","callback":null,"default":50,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"sort","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"body","type":"text","callback":null,"default":"*:*","directive":null,"facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":false},{"name":"group","type":"string","callback":null,"default":null,"directive":"group","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"difficulty_rating_bin","type":"string","callback":null,"default":null,"directive":"difficulty_rating_bin","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"id","type":"integer","callback":null,"default":null,"directive":"id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"tag","type":"string","callback":null,"default":null,"directive":"tag","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"product","type":"string","callback":null,"default":null,"directive":"product","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_at","type":"timeframe","callback":{},"default":null,"directive":"created_at","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"profile_id","type":"integer","callback":null,"default":null,"directive":"author_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_by","type":"string","callback":null,"default":null,"directive":"author","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player_id","type":"integer","callback":null,"default":null,"directive":"solver_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player","type":"string","callback":null,"default":null,"directive":"solver","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"solvers_count","type":"integer","callback":null,"default":null,"directive":"solvers_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"comments_count","type":"integer","callback":null,"default":null,"directive":"comments_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"likes_count","type":"integer","callback":null,"default":null,"directive":"likes_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leader_id","type":"integer","callback":null,"default":null,"directive":"leader_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leading_solution","type":"integer","callback":null,"default":null,"directive":"leading_solution","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true}],"filters":[{"name":"asset_type","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":"\"cody:problem\"","prepend":true},{"name":"profile_id","type":"integer","callback":{},"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":"author_id","static":null,"prepend":true}],"query":{"params":{"per_page":50,"term":"tag:\"state machine\"","current_player":null,"sort":"map(difficulty_value,0,0,999) asc"},"parser":"MathWorks::Search::Solr::QueryParser","directives":{"term":{"directives":{"tag":[["tag:\"state machine\"","","\"","state machine","\""]]}}},"facets":{"#\u003cMathWorks::Search::Field:0x00007fa2b524cf98\u003e":null,"#\u003cMathWorks::Search::Field:0x00007fa2b524cef8\u003e":null},"filters":{"#\u003cMathWorks::Search::Field:0x00007fa2b524c638\u003e":"\"cody:problem\""},"fields":{"#\u003cMathWorks::Search::Field:0x00007fa2b524d218\u003e":1,"#\u003cMathWorks::Search::Field:0x00007fa2b524d178\u003e":50,"#\u003cMathWorks::Search::Field:0x00007fa2b524d0d8\u003e":"map(difficulty_value,0,0,999) asc","#\u003cMathWorks::Search::Field:0x00007fa2b524d038\u003e":"tag:\"state machine\""},"user_query":{"#\u003cMathWorks::Search::Field:0x00007fa2b524d038\u003e":"tag:\"state machine\""},"queried_facets":{}},"query_backend":{"connection":{"configuration":{"index_url":"http://index-op-v2/solr/","query_url":"http://search-op-v2/solr/","direct_access_index_urls":["http://index-op-v2/solr/"],"direct_access_query_urls":["http://search-op-v2/solr/"],"timeout":10,"vhost":"search","exchange":"search.topic","heartbeat":30,"pre_index_mode":false,"host":"rabbitmq-eks","port":5672,"username":"search","password":"J3bGPZzQ7asjJcCk","virtual_host":"search","indexer":"amqp","http_logging":"true","core":"cody"},"query_connection":{"uri":"http://search-op-v2/solr/cody/","proxy":null,"connection":{"parallel_manager":null,"headers":{"User-Agent":"Faraday v1.0.1"},"params":{},"options":{"params_encoder":"Faraday::FlatParamsEncoder","proxy":null,"bind":null,"timeout":null,"open_timeout":null,"read_timeout":null,"write_timeout":null,"boundary":null,"oauth":null,"context":null,"on_data":null},"ssl":{"verify":true,"ca_file":null,"ca_path":null,"verify_mode":null,"cert_store":null,"client_cert":null,"client_key":null,"certificate":null,"private_key":null,"verify_depth":null,"version":null,"min_version":null,"max_version":null},"default_parallel_manager":null,"builder":{"adapter":{"name":"Faraday::Adapter::NetHttp","args":[],"block":null},"handlers":[{"name":"Faraday::Response::RaiseError","args":[],"block":null}],"app":{"app":{"ssl_cert_store":{"verify_callback":null,"error":null,"error_string":null,"chain":null,"time":null},"app":{},"connection_options":{},"config_block":null}}},"url_prefix":"http://search-op-v2/solr/cody/","manual_proxy":false,"proxy":null},"update_format":"RSolr::JSON::Generator","update_path":"update","options":{"url":"http://search-op-v2/solr/cody"}}},"query":{"params":{"per_page":50,"term":"tag:\"state machine\"","current_player":null,"sort":"map(difficulty_value,0,0,999) asc"},"parser":"MathWorks::Search::Solr::QueryParser","directives":{"term":{"directives":{"tag":[["tag:\"state machine\"","","\"","state machine","\""]]}}},"facets":{"#\u003cMathWorks::Search::Field:0x00007fa2b524cf98\u003e":null,"#\u003cMathWorks::Search::Field:0x00007fa2b524cef8\u003e":null},"filters":{"#\u003cMathWorks::Search::Field:0x00007fa2b524c638\u003e":"\"cody:problem\""},"fields":{"#\u003cMathWorks::Search::Field:0x00007fa2b524d218\u003e":1,"#\u003cMathWorks::Search::Field:0x00007fa2b524d178\u003e":50,"#\u003cMathWorks::Search::Field:0x00007fa2b524d0d8\u003e":"map(difficulty_value,0,0,999) asc","#\u003cMathWorks::Search::Field:0x00007fa2b524d038\u003e":"tag:\"state machine\""},"user_query":{"#\u003cMathWorks::Search::Field:0x00007fa2b524d038\u003e":"tag:\"state machine\""},"queried_facets":{}},"options":{"fields":["id","difficulty_rating"]},"join":" "},"results":[{"id":1115,"difficulty_rating":"medium"}]}}