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          1. - W(wng)У - f} - - ֱ -
            ||ӱ|ɽ||K||ɽ||Ϻ||||||ɹ|| Ĵ|ؑc|F|
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            ||C|½||||ȫ
            F(xin)ڵλã ԇ > ӋCȼԇ > ӋCԇ > CZ > Y > 

            2018ȫӋCԇCZԳ֪Rcw{

            Դԇ2018-01-03 14:44:30ҪԇϿԇɣf}
            2018ȫӋCԇCZԳ֪Rcw{ӋCȼԇYϵϢՈLԇӋCȼԇW(wng)

            1)YN: Y , ѭh(hun)Y(ѭh(hun)Y), xY(if switch)

            2)xҪmain(), Ȼx(ѭh(hun)ѭh(hun),xx)

            3)ӋCĔ(sh)(j)Xб MƵʽ. (sh)(j)ŵλþ ĵַ.

            4)bitλ ָ0 1 byte ָֹ(ji), һֹ(ji) = ˂λ.

            5)һҪӛס M΄ ʮMơ

            

            1)gA̎CZԵһ\ЕrgCZԾgijQԴASCII(sh)ֵıļС

            2)ÿCZԳmain(sh)ֻһ

            3)ں(sh)вٶx(sh)

            4)㷨һҪݔԛ]ݔ

            5)breakѭh(hun)YswitchZ

            6)̖\ļe

            һ

            1)ϷÑR飺

            ϷҪĸ(sh)„MԪؾe

            ҵһ횞ĸt„һ锵(sh)־e

            PIֲÑR̖main define scanf printf PI֡ԻĵطIfǿÑRIfеĵһĸˣԲPI

            2)͔(sh)(j)ĺϷʽ

            2.333e-1 ǺϷҔ(sh)(j)2.33310-1

            ԇEeǰeД(sh)e؞(sh).

            3)ַ(sh)(j)ĺϷʽ:

            '1'ַռһֹ(ji)"1"ַռɂֹ(ji)(һY̖)

            '0' ASCII(sh)ֵʾ48'a' ASCII(sh)ֵ97'A'ASCII(sh)ֵ65

            4) һǃɂֹ(ji), ַһֹ(ji)pһ4ֹ(ji)

            ԇrһf16λgϵy(tng)32λϵy(tng)@NrҪȥһ}һǃɂֹ(ji), ַһֹ(ji)pһ4ֹ(ji)Ϳ

            5)DxַĿ飺

            ڳ int a = 0x6dǰһʮMƵĔ(sh)o׃a ע@0x횴ڡ

            ڳ int a = 06d, һMƵʽ

            Dxַ\x6dǺϷģ0܌xС

            \141ǺϷ

            \108ǷǷģ鲻ԳF(xin)8

            Dxַx ASCIIaֵ(ʮM)

            \a (BEL) 007

            \b ˸(BS) 008

            \f Q(FF) 012

            \n Q(LF) 010

            \r ܇(CR) 013

            \t ˮƽƱ(HT) 009

            \v ֱƱ(VT) 011

            \\ б 092

            \? ַ̖ 063

            \' ַ̖ 039

            \" pַ̖ 034

            \0 ַ(NULL) 000

            \ddd ַλM

            \xhh ַλʮM

            6)g\̖ă(yu)ȼe

            ͬeеǏеǏҵ

            7)DQ

            һ(int)a int(a)עһ̖

            ע(int)(a+b)(int)a+b ą^(q)e ǰǰa+bDǰaDټb

            8)_ʽĿ飺

            DZ_ʽһД(sh)ֵ

            xֵ_ʽ_ʽ(sh)ֵ߅Ĕ(sh)ֵa=b=5;ԓ_ʽ5xֵ

            ԼԜp_ʽOa=5++a(Ǟ6) a++(5);

            \еęC++a Ȱ׃Ĕ(sh)ֵ1ȻѵõĔ(sh)ֵŵ׃aȻ@

            ++a_ʽĔ(sh)ֵ6a++ԓ_ʽĔ(sh)ֵ5ȻٰaĔ(sh)ֵ16

            ٷŵ׃a M++aa++ijõaԒ׃aе6

            ԇE++ǰȼӺ++ںú

            ̖_ʽ(yu)ȼe ;_ʽĔ(sh)ֵ̖߅ǂ_ʽĔ(sh)ֵ

            (234)ı_ʽĔ(sh)ֵ4

            9)λ\Ŀ飺

            һ}ԇ}Ŀ

            ̎׺еλ\}ĿҪ@́̎(ȰʮM׃ɶM׃ʮM)

            1char a = 6, b;

            b = a

            2һҪӛס

            3ڛ]ȥ(sh)(j)ĕr>һλʾ2

            10)018Ĕ(sh)ֵǷǷMǛ]88M1

            11)%̖߅Ҫ(sh)(sh)eˡ

            12)ɷNȡGС(sh)r

            1int a =1.6;

            2(int)a;

            ڶ

            1)printf(sh)ĸʽ飺

            %d;%cַ;%fξȵȵȵģR

            %ld long int;%lf double

            2)scanf(sh)ĸʽ죺

            עԓ(sh)ĵڶ&a @ӵĵַa;

            Scanf(%d%d%*d%d,&a,&b,&c);^ݔĵ(sh)(j)

            3)putchar ,getchar (sh)Ŀ飺

            char a = getchar() Ǜ]Ѕ(sh)ģIPõݔһַo׃a

            putchar(y)ַyݔĻС

            4)ΌF(xin)ɂ׃x yД(sh)ֵĻQ(Ҫ)

            ԰ x=y,y=x; Ҫg׃ t=x;x=y;y=t

            5)ΌF(xin)λС(sh)λij(Ҫ)

            x=(int)(x*1000+0.5)/1000.0

            @ƏVxע x = (int)x @ǰС(sh)ȥ

            ؄eҪע⣺cZ÷0ʾ߉݋0ʾ߉݋ٵ

            1)Pϵ_ʽ

            _ʽĔ(sh)ֵֻܞ1(ʾ)0(ʾ)

            Pϵı_Ǟĕrõ1 9>8@Ա_ʽĔ(sh)ֵ1;

            2)߉݋_ʽ

            ֻܞ1(ʾ)0(ʾ)

            a) && || ! N߉݋\̖

            b) !>&&>|| (yu)ȵļe

            c) ע·F(xin)ԇ^ϲg

            d) Ҫʾ x DZ010Сķ0

            3)if Z

            else cӽifқ]elseMϵ

            4)l_ʽ

            _ʽ1 ?_ʽ2 _ʽ3

            עǮ0rDZ_ʽ2Ĕ(sh)ֵ0ǾDZ_ʽ2Ĕ(sh)ֵ

            ԇEǰٺ

            5)switchZ䣺

            a)һҪעbreak ͛]breakIJe]breakrֻҪһcaseƥˣʣµĶҪ(zh)breaktֱswichZ

            b)switchֻԺbreakһãԺcontinue

            1)Nѭh(hun)Y

            a)for(); while(); do- while()N

            b)forѭh(hun)бǃɂ̖ǧfҪӛ

            c)ĕrһҪעѭh(hun)һҪнYėltѭh(hun)

            d) do-while()ѭh(hun)һwhile();ķ̖һ܉G(ϙCe)

            2) break continueIJe

            ӛ

            breakǴƵ˼(ѭh(hun))ԿҊbreak˳?zhn)һѭh(hun)

            continue^m(x)˼(^m(x)ѭh(hun)\)ҪYѭh(hun)ѭh(hun)wʣµZ䲻و(zh)ѭh(hun)_ʼȻДѭh(hun)lMһ݆ѭh(hun)

            3)Ƕѭh(hun)

            ѭh(hun)߀ѭh(hun)@N^sҪһһһһĵӋһӛסɌ̎S(sh)Mġ

            4) while((c=getchar())!=\n) while(c=getchar() !=\n)IJe

            ȿa = 3 != 2 (a=3)!=2 ą^(q)e

            (!=̖ļe=̖ ԵһӋ 3!=2) һaĔ(sh)ֵǵõ1;ڶaĔ(sh)ֵ3

            ԇעc: ̖@Ҫ

            (sh)ǾһܵһK;

            1) (sh)ą(sh)ؔ(sh)ֵ(ʾD)

            main()

            {

            int a = 5,b=6,c;

            c = add(a,b);

            printf(%d,c);

            }

            {ú(sh)

            a,bnj

            (sh)õһ(sh)ֵ

            Add(sh)ķؔ(sh)ֵ

            int add ( int x,int y)

            {

            int z;

            z=x+y;

            return z;

            }

            {ú(sh)

            xyʽ(sh)

            (sh)ؔ(sh)ֵ

            z@add(sh)ӋõĽYǺ(sh)ؽoķؔ(sh)ֵ

            ڏ(zh)У˺(sh)addabĔ(sh)ֵo{ú(sh)򕺕rДȴؔ(sh)ֵ?sh)õ˷ؔ?sh)ֵˆ(zh)

            2)һҪעⅢ(sh)֮gĂf

            ΅֮g (sh)ֵַ͂IJe(ԇc)

            (sh)ֵԒ΅׃׃׃

            ַԒ΅׃͕пܸ׃׃

            3)(sh)•Ŀ飺

            һҪУ(sh)(sh)ķ(sh)ą(sh)͡

            һҪУ΅Q

            ָ׃ı|Áŵַһ׃ǷŔ(sh)ֵ

            int *p *ppIJe

            *pԮ׃;*ȡַpĔ(sh)ֵ

            pǮַʹ

            *p++ (*p)++֮gIJee}ĿкҪ

            *p++ ַ׃

            (*p)++ ǔ(sh)ֵҪ׃

            x(ԇc)

            (sh)MʾһԪصĵַ(sh)MԼӣǵַ(˺ܶ)

            (sh)ʾԓ(sh)ڵַ

            ַʾһַĵַ

            1һS(sh)MҪ

            a[10]@(sh)MӑՓ

            1aʾ(sh)MǵһԪصĵַҲԪa[10]ĵַ

            2aǵַֻҪF(xin)a++a=a+2xֵĶe`

            3aһS(sh)MָᘣҲfa+1һ

            a[3][3]ӑՓ

            1aʾ(sh)MǵһԪصĵַҲԪa[10]ĵַ

            2aǵַֻҪF(xin)a++a=a+2xֵĶe`

            3aǶS(sh)MָҲfa+1һ

            4a[0]a[1]a[2]ҲǵַԌMxֵͬrָa[0]+1a[1]+1a[2]+1һ

            5עaa[0] a[1]a[2]DzͬĻDzͬǰһԪһԪ

            S(sh)M}Ŀļɣ

            a[3][3]=@ӵ}Ŀ

            Eһɣ

            һСڶС

            a[0] 1 2 3 ->һ

            a[1] 4 5 6>ڶ

            a[2] 7 8 9->

            E@}ĿgܺΣ

            *(a[0]+1)҂֪ǵһеĵһԪһô@a[0][1]Ԫ1

            *(a[1]+2)҂֪ǵڶеĵһԪСô@a[1][2]Ԫ6

            һӛסֻҪǶS(sh)M}Ŀһnjϵĸʽȥ}Ŀ@ӕ^

            (sh)MijʼһSͶSģһSԲSڶһҪ

            int a[]= Ϸ int a[][4]=Ϸ int a[4][]=Ƿ

            S(sh)Mеָ

            int a[1][2];

            aF(xin)ھһָa+1һД(sh)MԪ (*)p[2]ָ

            a[0]a[1]F(xin)ھһָᘡa[0]+1 һ(sh)MԪ*p[2]ָᘔ(sh)Mʹ

            ߀ӛסÓ·t

            a[2] ׃ *(a+2) a[2][3]׃ *(a+2)[3]ٿ׃ *(*(a+2)+3)

            /LSaԇͨP
            2018ȿYӍ
            2018ȿͨP
            2018Ayԇ
            2018ȿƂ俼Y

            ΢"ԇ"˽࿼ԇYӍd俼Y

            P]

            2018ӋCȼԇrg|؈|l

            2018ȫӋCȼԇrg|̲Ŀ䛣2018棩

            |ԇ|ԇV|2018ӋCȼԇĿ

            v}R|ԇɲ߄2018ӋCȼԇָ

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