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"use strict";(self.webpackChunkfi=self.webpackChunkfi||[]).push([[6306],{24693:(e,n,t)=>{t.r(n),t.d(n,{assets:()=>c,contentTitle:()=>r,default:()=>h,frontMatter:()=>i,metadata:()=>o,toc:()=>l});var a=t(85893),s=t(11151);const i={slug:"cams",title:"Practice exam C",description:"Stalking cars\u2026\n",last_update:{date:new Date("2023-05-07T00:00:00.000Z")}},r="Watching Cams",o={id:"pexam/c-cams",title:"Practice exam C",description:"Stalking cars\u2026\n",source:"@site/c/pexam/c-cams.md",sourceDirName:"pexam",slug:"/pexam/cams",permalink:"/c/pexam/cams",draft:!1,unlisted:!1,editUrl:"https://github.com/mfocko/blog/tree/main/c/pexam/c-cams.md",tags:[],version:"current",lastUpdatedAt:1683417600,formattedLastUpdatedAt:"May 7, 2023",frontMatter:{slug:"cams",title:"Practice exam C",description:"Stalking cars\u2026\n",last_update:{date:"2023-05-07T00:00:00.000Z"}},sidebar:"autogeneratedBar",previous:{title:"Practice exam B",permalink:"/c/pexam/garbage_collect"},next:{title:"Submitting merge requests",permalink:"/c/mr"}},c={},l=[{value:"Format of the input file",id:"format-of-the-input-file",level:2},{value:"Examples",id:"examples",level:4},{value:"Format of the output",id:"format-of-the-output",level:2},{value:"Example usage",id:"example-usage",level:2},{value:"Requirements and notes",id:"requirements-and-notes",level:2}];function d(e){const n={a:"a",admonition:"admonition",code:"code",em:"em",h1:"h1",h2:"h2",h4:"h4",li:"li",ol:"ol",p:"p",pre:"pre",section:"section",strong:"strong",sup:"sup",ul:"ul",...(0,s.a)(),...e.components};return(0,a.jsxs)(a.Fragment,{children:[(0,a.jsx)(n.h1,{id:"watching-cams",children:"Watching Cams"}),"\n",(0,a.jsx)(n.admonition,{title:"Exam environment",type:"warning",children:(0,a.jsxs)(n.ul,{children:["\n",(0,a.jsxs)(n.li,{children:["During the exam you will be provided with a barebone ",(0,a.jsx)(n.em,{children:"exam session"})," on the\n",(0,a.jsx)(n.em,{children:"faculty computers"}),"."]}),"\n",(0,a.jsxs)(n.li,{children:["In browser you are only allowed to have the following tabs open:","\n",(0,a.jsxs)(n.ul,{children:["\n",(0,a.jsx)(n.li,{children:(0,a.jsx)(n.a,{href:"https://en.cppreference.com",children:"C documentation"})}),"\n",(0,a.jsx)(n.li,{children:"page containing the assignment"}),"\n"]}),"\n"]}),"\n",(0,a.jsxs)(n.li,{children:["You ",(0,a.jsx)(n.strong,{children:"are not"})," allowed to use your own source code, e.g. prepared beforehand\nor from the seminars."]}),"\n",(0,a.jsxs)(n.li,{children:["You have ",(0,a.jsx)(n.strong,{children:"5 minutes"})," to read through the assignment and ask any follow-up\nquestions should be there something unclear."]}),"\n",(0,a.jsxs)(n.li,{children:["You have ",(0,a.jsx)(n.strong,{children:"60 minutes"})," to work on the assignment, afterward your work will be\ndiscussed with your seminar tutor."]}),"\n"]})}),"\n",(0,a.jsxs)(n.p,{children:["Your task is to write a program ",(0,a.jsx)(n.code,{children:"cams"})," that will be processing input from the\ncams that are capable of identifying license plates on the cars and then\nprint out summary based on the input data. Your contributions to the society are\nvery much appreciated and may (or may not) be used for (each or none) of the\nfollowing purposes",(0,a.jsx)(n.sup,{children:(0,a.jsx)(n.a,{href:"#user-content-fn-1",id:"user-content-fnref-1","data-footnote-ref":!0,"aria-describedby":"footnote-label",children:"1"})}),":"]}),"\n",(0,a.jsxs)(n.ul,{children:["\n",(0,a.jsx)(n.li,{children:"stalking people leaving and coming back home,"}),"\n",(0,a.jsx)(n.li,{children:"retroactively making people pay for the parking,"}),"\n",(0,a.jsx)(n.li,{children:"providing evidence of people speeding on highways,"}),"\n",(0,a.jsx)(n.li,{children:"tracking people that don't pay tolls, or"}),"\n",(0,a.jsx)(n.li,{children:"convict employees leaving the work prematurely."}),"\n"]}),"\n",(0,a.jsx)(n.h2,{id:"format-of-the-input-file",children:"Format of the input file"}),"\n",(0,a.jsxs)(n.p,{children:["Input for your program consists of the data from the cameras. You will be given\nthe data from the cameras as a path to a file