// Numbas version: finer_feedback_settings
{"name": "Find Dracula", "extensions": ["stats"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Find Dracula", "tags": [], "metadata": {"description": "This question demonstrates how to use explore mode to simulate a game, where each choice made by the student changes the state of the game.<br>", "licence": "Creative Commons Attribution 4.0 International"}, "statement": "<p>You're trying to find Dracula. You've reached the grand gallery of Castle Dracula, and you know that the Count is hiding in one of the rooms. <em>But which?</em></p>\n<p>All the rooms are on one side of the gallery. They each have internal doors between them, that only Dracula can use. Each time you look in a room that Dracula isn't in, he moves from the room he's in to an adjacent one.</p>\n<p>Can you find Dracula?</p>", "advice": "", "rulesets": {}, "extensions": ["stats"], "variables": {"cells": {"name": "cells", "group": "Ungrouped variables", "definition": "repeat(true,n)", "description": "<p>For each room, whether Dracula can be in that room.</p>", "templateType": "anything"}, "n": {"name": "n", "group": "Ungrouped variables", "definition": "4", "description": "<p>The number of rooms</p>", "templateType": "anything"}, "cells_after_pick": {"name": "cells_after_pick", "group": "Ungrouped variables", "definition": "map(\n  let(ncells,map(if(k=j,false,cells[k]),k,0..n-1),\n    map(if(k>0,ncells[k-1],false) or if(k<n-1,ncells[k+1],false),k,0..n-1)\n  ),\n  j,\n  0..n-1\n)", "description": "<p>For each room, the value of <code>cells</code> after looking in that room.</p>", "templateType": "anything"}, "room_names": {"name": "room_names", "group": "Ungrouped variables", "definition": "map(\"Room \"+j,j,1..n)", "description": "<p>The names of the rooms, for display.</p>", "templateType": "anything"}, "dracula": {"name": "dracula", "group": "Ungrouped variables", "definition": "random(0..n-1)", "description": "<p>The room Dracula is in.</p>", "templateType": "anything"}, "dracula_choices": {"name": "dracula_choices", "group": "Ungrouped variables", "definition": "switch(\n  dracula=0,[1],\n  dracula=n-1,[n-2],\n  [dracula-1,dracula+1]\n)", "description": "<p>The rooms Dracula can move to.</p>", "templateType": "anything"}, "chosen_room": {"name": "chosen_room", "group": "Ungrouped variables", "definition": "0", "description": "<p>The last room that was looked in.</p>", "templateType": "anything"}, "look_marking": {"name": "look_marking", "group": "Ungrouped variables", "definition": "map(award(1,j=dracula),j,0..n-1)", "description": "<p>Award 1 mark for looking in the room containing Dracula.</p>", "templateType": "anything"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["n", "dracula", "cells", "cells_after_pick", "room_names", "dracula_choices", "chosen_room", "look_marking"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": true, "customName": "How many rooms does Castle Dracula have?", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [{"label": "Look in a room", "rawLabel": "", "otherPart": 1, "variableReplacements": [{"variable": "n", "definition": "interpreted_answer"}], "availabilityCondition": "answered", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>How many rooms does Castle Dracula have?</p>\n<p><em>(You can pick - a smaller number is easier, while a larger number will mean it takes longer to find Dracula)</em></p>", "minValue": "1", "maxValue": "100", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "1_n_2", "useCustomName": true, "customName": "Look in a room", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "student_choice: indices(interpreted_answer,[true])[0]", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [{"label": "Open the door", "rawLabel": "Open the door", "otherPart": 2, "variableReplacements": [{"variable": "chosen_room", "definition": "student_choice"}, {"variable": "cells", "definition": "cells_after_pick[student_choice]"}, {"variable": "dracula", "definition": "random(dracula_choices)"}], "availabilityCondition": "answered and student_choice<>dracula", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}, {"label": "Open the door", "rawLabel": "Open the door", "otherPart": 4, "variableReplacements": [], "availabilityCondition": "answered and student_choice=dracula", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": "Find Dracula", "prompt": "<p>Which room would you like to look in now?</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": "map(\"Room \"+j,j,1..n)", "matrix": "repeat(0,n)"}, {"type": "information", "useCustomName": true, "customName": "Dracula wasn't in the room", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [{"label": "Where could Dracula be?", "rawLabel": "", "otherPart": 3, "variableReplacements": [], "availabilityCondition": "", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}, {"label": "Look in another room", "rawLabel": "Look in another room", "otherPart": 1, "variableReplacements": [], "availabilityCondition": "", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Dracula wasn't in room {chosen_room+1}. Drat!</p>\n<p>You go back to the hall, and close the door. Dracula leaves the room he is in and moves to an adjacent room.</p>"}, {"type": "m_n_2", "useCustomName": true, "customName": "Where could Dracula be?", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": true, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Which rooms could Dracula be in right now?</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": "room_names", "matrix": "map(if(cells[k],1,-1),k,0..n-1)"}, {"type": "1_n_2", "useCustomName": true, "customName": "Confront Dracula!", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": "Find Dracula", "prompt": "<p>You open the door and find the dread Count himself!</p>\n<p>What do you do?</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["A quick stake to the heart and the job's done. Bish bash bosh!", "Let him go."], "matrix": ["1", 0], "distractors": ["", ""]}], "partsMode": "explore", "maxMarks": 0, "objectives": [{"name": "Find Dracula", "limit": "1", "mode": "sum"}], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "http://localhost:8000/accounts/profile/1/"}, {"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "http://localhost:8000/accounts/profile/1/"}, {"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}