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.Slj-iXE\.S.., What's difference between Array and Structure? [Array] - An array :s a set of variables with the same name. " All elements in an array have the same data type, Test Scores Datatype 91 78 69 84 8692 77 81 90 i[i!] / [Structure] N Structure ts user deftned data type which is used to store heterogeneous data under unique name Student Studentl Student2 Student3 Narr,e Aki Yu Ku Score go g4 72 ''' 1 1 Deviation 67sl 56 3 64 2 Deta'type char int double 1 1

eEpt-ptESSE--- / 1 1 Usage of Structures (Defining a Structure) " A structure can be defined as a new data type. m "[b clef-ne a structure, you must use the struct statement struct structure tag deta type memberl; }; - structure teg is name of the structure - The variable named in a structure ere callecl member 1

.ggN.die-ss.... Usage of Structures (Defining a Structure) 1 1 - A structure can be defined as a new data type t -[b clefine a structlire, you must use the struct statement student { cha= name[10]; lnt score; double dev:; N structure tag ss name of the structure l The variable named sn a structure are called member 1

.igN.4itESS=.,. Usage of Structures (Declaring Structure Variables) - Ybu need te declere varLables with new data type defined by struct statement struct student{ char name[10]; int score; double devi; }; int ma±n(void){ struct student a, b; } l Each structure vanables a and b with student data type have three members

/t 1 1 Accessing Members of Structure - Structure members are accessed using dotO operator, struct student{ char name[iO]; . mt score; double devi; }; :nt ma:n(vozd){ st:uct student a, b; strcpy(a.nante,"Aki,r) a.scere = 90, a.devi = 64,2; I } ; 11Heturn a copy of the strlng.

t.m) - lnitializing Members of Structure " Ybu can initialize sotne or all members in a structure as fo11owing struct student{ char namellO] int score; double devi; }; int ma:n(vo±d){ struct student a = I } ; {"Aki", 90, 64.2} ;

' - ll 1 Example 1 Structure assignment l Ybu can copy a structure vartable using essignment 1 Ybu have to write the same data type with left and variables N Wrtte a fotlowtng program 'tstructl c" operator (= ), nght hand side #±nclude struet student{ char name[10]: tnt strere; dettble devi: }; i-t mam(void){ strnct stude"t a, bt strcpy(a.neme,'Akt'), a･scere =90, adev± =64,2, printfC"Name Xslt", printt("Scere, X3dzai" printf("Devi' X,!fkL" , (Cbntinue to the right) } ' b=a, /*Substitllt!ng pritrt±("Nane, Xs\n"', b, printf("Scere: Z3d\n". prtntS("Detri X.tflin'', retum O) b fer a*l name), b score), b.devi), a nameh , a scere); , a,devl); [Results] Nnmpe, Ahi Scett 90 Dev1 fi41 N:me Akl Stn 9b Odw ca2 1

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　　　」　　　　　１　」ｒ　堅　　　　　，　」　　＾ “ＡＰＰｎ・・ヒＬ…Ｐｉ・・ｅ・５ｙ・亡・匠劉ＰＩ岬・ＩＶ・剣亘　ＩｋＩ 旦　　　　　　　　　　　　り５Ｐ８ｆｉｇｆｉｆｆｉｏ：”ｌｆｔｏｓし一Ｊｔｒｏｒｋｌ　　　　　　　　　　　　＿　口　ｘ ＦＦｉｅ　ε“「ｔ　鴇ロ四」Ｓｅａ．Ｆり　玲ｍ，甲ｉ　ＨｅＥｐ ゴ　　ー　　　　　　　　　．一　　　＝　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　一一占　　　　　　　　　　　　　　　　　　　一　　曲國一 　　　　　　　　　　　　　　　　　　　　　　　　　ｎｔ 」ＩＩ ｔ．ｘ 　」 卜 ［Ｗ５０８６９６＠工ｏ⊂ａ／ｈｅ５ｔ　ｗｅ「ｋ２］＄　ｅｍ己⊂ｓ　ＴｒｉＡ「∈　⊂＆ ［３】３２３２ ［Ｗ５０８６９５＠ＩＯ⊂ａｌｈｅ５ｔ酬ｏｒ匝】＄口 工 陶蝉自曜脳蹴ｋ－ｇ，複面趣　４【１，冤に．１邑。里鐙醐　ｗｓｏｓｓｅ６　｛隆岨・畢 　　　　　　　　　　　　　　　　脚　　　　　　　　　　　，　　　　．　． 日ｌｅ　団［Ｌ　ＯＰＦｎＵＳ　ＨｕｆｉＥｒｓ　ｌａｅｔｓ　じ　月墾ｒｐ ］皇副圖　Ｘ　噂　甥　、」麗　１暫』轟曲幽１璽団 丁ニ ー １ １ ５⊂ｎｎｆ｛’Ｆｌ猛ｒｌｒ＆醜．刈， ｐｍｎｔｆ〔’ｌｈｌｐｕｔ　Ｖｌ■開〕３ ５ｃａｎｆ（’，吼ｆｌ㌧＆配２、Ｙ】」 Ｓ＝１〆２・ＯＸｆ６ｂ５｛Ａ工・歴員２・ｙ」ｎｇｔ｛￥ｎ１．ｙ｝； ρｒエｎｔｆＣｂ’司ｕａｓｕ陀“ｆ　Ｔｒｍｇｌｅ　ｔｓ％ｌｆ・、臼層、ぎ｝； ｒｅｔ“ｍ　３ｒ． 珊 　　　　　　　　１　　　　　　　　　　　　　　　　　　　　９＄ｆ：＿．Ｍ 　　　ｌｃｏｍｅ　ｔＯ　Ｇ国Ｕ　ＥｎｔａＣＳｒ　ｏｎ２　Ｇｏｍρｏｎｅｎｔ　ｏｆ　ｔｈｅ　ＯＮ口但ｎＵＸ　Ｏ斡睦 　９ｒａｔｉｎｇ　５ｙｓｔｅｍｒ ヨ　Ｔｏ　ｆｏ｝１型量　１エｎｌｋｖ　ｃＺｚｃｋ　Ｍｏｕｓｅａ１　ｏｎ　ユｔ，　Ｏ「　Ｏりｅ　ｔｏ　ｌｔ　ａｎｄ） ；Ｕ・．幾一±Ｇ麗幽瞳一＿＿璽三Ｌ／１＿＿二（麺唾塾監甦）」一一一一叩一一一一一 　　Ｎｒｏｔｅ　！ｈｅｍｅ／ｗｉｅ８ｆｉｇｆｉ！ｗａｒｋｌ／Ｔｒ－Ａｒｅ‘ｃ Ｌ 呵 「團ｗ５０８５９囎ｌｏｏａｌｈｏ曲一　　１唾［ｅｍ已∈５＠ｔｏ⊆ｅｌｈｏｓｔｒ）ｏｃ　－ＩＬ 廊晦橘唾⑫１ 昂〔璽醸

// tts ` Exercise "Measure'' tr12ngu[atlon - Arguments of the function `tMeasure" whtc have points. i A return value ef the function "Measure" is area of an triangle, 1 J

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".,L g - t" A - s:App]/catLonssvsteLte.su,C/dvpt{PXlts-/EiS VPeoesT.v-Ee.cptesetket)".JigagsLl,,1,]n.PsuAMvesDfieefi-aj,J4 Nwsosesfialoc-1hagt-/veotht'.o".F.11e-Me"SeaKhitermrnhl"efp-- tttttHteEdltoptLgnsSvfiemTovls[t"eip---iLig:ggesce[tlet.scisu,pt,'dekwhLVjblT.. FOgt..3]:5 rwSOB696@lecnlhostwerk2]$cDJriArecTriArelc[3]+DeneemacsTr!Are.c[w50B69S@localhostwork2/]Sema[sTriArelc&[11[w508696@teFeZhpstsuerk2]$ll - 'l1/- ITfiin;'L-t4ecstdlqt"#IBtt"tscmatit,h)'s±ructpel"t{dellhlere:tioubTevF}-deubteffeasgre(sttgctPeiGtALStrMcrpoirtnd){',1}antnyaln(vota){str"ctpeintAZtA21,cloubleS',printf(''lnput41='};scant{'Oitf",an1.x".printf("lnputy!=");wwtr"-Ies･---etcernetoGNUEmacs,enecpmponentofthe,GNU/Lutuxoper,sa±lngSY5tan,TetoUo-atipk,cLicknouse4onzt,ormovetoitand"-',t'--TSTGNrtEtnawt'ToUtFuifitemenUaUt----' 1tnwSOe6gsOFocedhaEb. e remig@lo[elhostlec 1 ifotse' gdi t.

s-AppllcatEons, /,. ' v. p:eces svste g eg Piifrin - 1 -SDSSSfi@le"e:host-ILvolkl Eg/t vieiv Search dermina) Help v-e/1?-.. Jts T/n c TriAral.[ TrtAre.c TmiAreL c S ropeditoslt mpF - o. . ig a q th P , gL] in-- ttt tt file EdEt Opt[ans Suffers Ve[s C HEin iLs enett･ ･. th q, R-i st" .q .n rm veSoSes6 ,e/ !s ' V eqi gr g Hle x [w50Sfi96elocelhestwork2]$ [3]+ Done [w508696@Iecelhostwarke,]$ []1 3]!5 [wS0869fiabcathostwerk21$ cp TriAre emacs emacs u tA/ 1 / slo 1eq -e 1th1 I scapf{":Lf",en2,y); "sc l"ij[mp' IEfiabstmfipt!{gwmema printf(:'itEasuTfi sf Trmugle ls zai. retum e: 1} 1 ./ - d,zzE 11", s.l: etcerne to GNU Etrtats, one cpmponent setlng systen, To tpUew a Unk, ctick House-1 en r 7T of lt. the GNWLinux or meve tO lt opero amd ) L .U:M. -GNU /Eptircst. Top L: LFundamen/Ei[L-･-k---t--- Tgwsoeags@tocadhostny g L temecE@lo[a)host)oc 1, EmHtsdlba-beasaj-ajeEete.1 ipt

vltAppl/cattons P:eres 1 b nystre ff g file EdEt va:w ' aj eiajP) '.1 I- i[.- HfEp 1fi ipt .nx mp:"/paM4 tvF ? -s -SPBfiSfi@1ticri11iegt-Jtnrk? SeiKh 1lerfhlnal [w50S696@Lecalhost werk2]$ [3]+ Done [w50869fiptecalhestwcrke]$ []] 3]25 cp TriAre c TrMrti1 emecs TrxAre c emacs TriAreLc & [w50Bfi96ptoeplhostWerk21$O 7 c ' ../ 1 H:e Edit 11 ig !lrL[Ztnie str"ct detible denbTe }; deuble .MS Qpt/gns. Bufets. foods gn za vo, pt - ' c tu t tr /firl, ;A thAM tt tt Uelp k'/ ene@ L7 -seefisfi A, 1] "q, -g.! cstdlo h) #IRtLutiamt-,h) pdint{ x: YT deubte MeasureCstrkct'peitit lt1, strudi Faint muf Sl s- lfz e*tebs{Az.xtu.y - Ai x*a,y).1 }. 1fftma]liCva!ri){ steuct pDlpt U, 4Z,, detrble S, ti prin±f{"Inp"t pt1;"); !twfff['sc ' mapT g eZcome to GNU Entats. one sa±lng 5YSten. Te foTlowaZipk, cUck '!!tlf. agL-tl!ifot!( fi'igas- ' - re'Pm. cemponent of the GNU/L:nux operb Mause-: en ct, or meve to zt ahd ) ' "' lmwnltdtiitefiIGif=, ---=.- :.--.. -a tark set ,WulSOB6SE@Locaihost,- [l!!lenpers@lo[adhostboL / ma -maeimTo-tI -pt

m tt t ' Ji "laAppl/retLons /it A // l pie{es svsteP -ew W 'PlopEP) rl v-QE iig EpteethtOSS4WfM =4 . ig S es ' Hle ecEt Opt,ens Buffets lbels C 1 i. ecS e M th.･ E/ t al = ' pilitf(,,JhpLdt'x'te,), sca"f{"Vf",SAI,xJ: it g ' mpin ei gFL-'-. ttt ig' fill AM tt -sosee6 de q, -- w P:le .E.d,L. wSOSfiSS@lecalivgt'-twd"t2 Weiv \a[h "ffnlnal Help . /ts s [w50S695elocelhestwerk2]$ [1]+ Dene [w50B696@lecalhostwerkea$ []l 3]2s cD TriAre c Tr2Arel.c eMncs TrUre c emacs TpArel c & [wsossgGptncelhost vorwa]$ [] =1 1 /} printfChllTput ! t"}: scant{'%tf",NA:,Y); pnntf(''lnput mZl'",, scanfC"t.lf",on2.x},; printfC"lnp"t yz=4,); scantl'1urid,Sm,y}, ra ga th, pm Ll lt priptf(''reeesure of TrSmagte is fttt, rettam e; Xn". /sj,: eZcqne to GNU Ema[s. o"e ￠etnponent tif the GNU/Limux satlng system. Te foUohia lipk, cLtck Mause-1 en lt, or meve te ct -trpatrkGswinVfiT'n lnfffiTma'OrtiiM a !g wSOe6YE@toEaihosb- . le remspa@locelhost1on ,' etrm ' o-mtmatufiii '1 i'Ipt

,, -.1 d] - "AppilEet/ons PP][eE svste Esu 'E/ople i1 , - /51H-.. ig va Hle Ed/t -SOefi9fiPtotadh"str-Jwerta vaew SepKh 1leffnlnHl HeEp [w50E69fi@lecalhost werkl]$ [j]+ Done [w50869S@tocnThosiwerti,]$ [IJ S32S [wS08696@tocelhast"erk2a$ cpTriArecTrMre1 entecs TniAre.c enyecs rthrel.c S ll .mx =A c 1 eptutosfi4get- - j fa lt fiIe Edlt OFt/ens euffeli lbel} 1 1- gel ge sc =O,S 1. - rsin[Luae cstAibI[p "lntZvtlecmeth,,1> struct peint{ doubZe xt deubTe y, }F 'doibLe Mtssufe de"ble S; S=Y2 ret"m S! } pmt main(vand){ strvct point M, deuble Ss " ' c x tp ' HeJp g gFle ttt e va in pu- rm vesesesfi q Ai $ op, ge s･ ee 1al (Strutt poln: e.tebstN."ua-y - A2 ' M, m str"ct ,ete; y) point Mj･{ s, eperp and ny dgwsosegfiOtocelhost- 1 pt. remsg@ro[adhostboc .]// tu 1elEantiEat- fi-pt

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