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(dng)ǰλãزĎ(k) > Ӌ(j)Y(ji) > Y(ji) > CZ(y)ԿY(ji)

CZ(y)ԿY(ji)

W(wng)վزĎ(k)|r(sh)g2019-05-29 07:23:15|Ƅ(dng)ˣCZ(y)ԿY(ji)

CZ(y)ԿY(ji)

15(g)֪R(sh)c(din)c15(g)Ҋ̆(wn)}15(g)֪R(sh)c(din)

1int/intY(ji)Ԟint2c_(d)ʽĶ·ԣ3switchcbreakZ(y)

4forwhileѭh(hun)cbreakcontinue;

5ѭh(hun)ѭh(hun)wR(sh)eЕr(sh)ǿZ(y)Еr(sh)lZ(y)⌑һУ6(g)l_(d)ʽǶףY(ji)Ϸ򣩣7++--ǰõą^(q)e;8ַfcֵf(wn)}9ֲ׃ȫ׃

10static׃ֻxֵһΣ11궨xչ_(wn)}12typedefչ_(wn)}

13w(sh)(j)Ĵc14strlensizeof÷

15D(zhun)xַγɵַݔ(wn)}15(g)Ҋ̆(wn)}

1ДijǷc

2Q(sh)Ѓɂ(g)(sh)ֵһ(g)(sh)

3ҳ(sh)MеֵСֵһ(g)(sh)4(du)(sh)MM(jn)ðݷ(jin)x5ɂ(g)(sh)󹫼s(sh)С(sh)6fwA7ӡƲ(sh)У

8(du)һ(g)(sh)MM(jn)ãһSS9y(tng)Ӌ(j)һַ(sh)ֵĂ(g)(sh)10y(tng)Ӌ(j)һІ~Ă(g)(sh)

11Дһ(g)(sh)Ƿ?ci)?sh)ż(sh)

12Дһ(g)(sh)Ƿˮɻ(sh)(sh)ͣ

13xȡһ(g)ıļ(du)(ni)M(jn)к(jin)μܣÿ(g)ַ2014朱Ą(chung)hȲ

15һԪηţDһ̵ĸ

15(g)֪R(sh)c(din)Ո(qng)o(sh)15(g)Ҋ}ĿՈ(qng)o(sh)F(xin)Ĵa

Ո(qng)ͬW(xu)ٿY(ji)15(g)֪R(sh)c(din)15(g)Ҋ}Ŀֻг

U(ku)չxCZ(y)֪R(sh)c(din)Y(ji)

CZ(y)֪R(sh)c(din)Y(ji)

CZ(y)֪R(sh)c(din)Y(ji)...........................................................................................................................1һ.....................................................................................................................................2(bio)R(sh).................................................................................................................................2׃.....................................................................................................................................2_(d)ʽ.................................................................................................................................3塢ݔݔ(sh).....................................................................................................................4CZ(y)ԵZ(y)......................................................................................................................5CĻY(ji)(gu)..............................................................................................................5xY(ji)(gu)Z(y).....................................................................................................................5

if(_(d)ʽ)Z(y)1elseZ(y)2........................................................................................5l\(yn)_(d)ʽ1?_(d)ʽ2:_(d)ʽ3...............................................................6switchZ(y).......................................................................................................................6ѭh(hun)Y(ji)(gu).............................................................................................................................6

forѭh(hun)Z(y)....................................................................................................................6whileѭh(hun)Z(y)dowhileѭh(hun)Z(y)...............................................................................6ʮ(sh)M.....................................................................................................................................7ʮһַ(sh).........................................................................................................................7ʮ(sh).....................................................................................................................................8ʮָ.....................................................................................................................................9ʮ궨x...............................................................................................................................10ʮ塢Y(ji)(gu)wwöe...........................................................................................10ʮTurboCʹ................................................................................e(cu)`δxһ

(sh)ֳ

i.ͨ(sh)֣1352.7

ii.ָ(sh)ʽ2.45e-2ȃr(ji)2.45*10-2עeСԿeǰĔ(sh)ֲʡ1ҲʡĔ(sh)һҪ(sh)

iii.L(zhng)ξȸc(din)ͣ3235L32.5Fքeʾ3235L(zhng)͔(sh)(j)

32.5džξȸc(din)LF(xin)tʾ323532.5pȸc(din)LF(xin)СԿ

ַ

i.ַͨÆ̖(ho)һ(g)ַ(li)A,@

ii.D(zhun)xַһ(du)̖(ho)(li)ԡ\\_^ַ\\n(

܇)\\123(8M(jn)123(du)(yng)ַ),\\x23(16M(jn)23(du)(yng)ַ)

ַ

һ(du)p̖(ho)һ(g)ַ(li)硰ABCefϵy(tng)ַÿ(g)ַһ(g)ֹ(ji)ַռֹ(ji)oַĩβ(hu)o_һ(g)ֹ(ji)һ(g)\\0Y(ji)(bio)־

̖(ho)

xʽ#define̖(ho)̖(ho)ֵ#defineN20tx˷̖(ho)Nֵ20ע̖(ho)ͷ̖(ho)ֵ֮gÿո_nj=̖(ho)#defineͷ̖(ho)֮gҲпոġ

(bio)R(sh)

Ҏ(gu)t

Ԕ(sh)ĸ„@ַMֻĸ„_^Ҳ(sh)_^ⲻ܌P(gun)I(bio)R(sh)32(g)P(gun)IֱP365B

׃(sh)̖(ho)ȫǘ(bio)R(sh)

׃Ķxʽ

׃;

inta;xһ(g)ͳa׃S㶨xҎ(gu)tǰیɶ͌ɶʲôflagccy1ߺ(sh)fun,findȫԶÁ(li)ֶ](mi)и؄ex

intlongL(zhng)ͣڴ(sh)ֻǔ(sh)ֵͬ

floatξȸc(din)doublepȸc(din)ͣڴŌ(sh)(sh)(sh)ֵȲͬ

charַͣڴַ

׃xֵʼ

inta=3;xͬr(sh)ʼa=6*9;xڳM(jn)xֵ

׃ֵֻxֵr(sh)ŕ(hu)׃ڵ̖(ho)߅r(sh)ŕ(hu)׃ֵԜpa=5,a++,a--a+3δ׃aֵֻʹa

ֵ.

Ԝp\(yn)

׃++,++׃׃----׃ʹ׃ֵ1Ԝp1ȃr(ji)׃=׃+1׃=׃-1++--׃ǰЧą^(q)e

(dng)Ԝp\(yn)_(d)ʽһ֕r(sh)++--׃ǰԜpʹ׃ֵ׃tʹ׃ֵԜpx=3;printf(%d,++x);tஔ(dng)ڈ(zh)++x;printf(%d,x);@ӵIJԴӡ4

x=3;printf(%d,x++);tஔ(dng)ڈ(zh)printf(%d,x);x++;@ӵIJtӡ3(dng)Ȼxֵ߀4

ġ_(d)ʽ

\(yn)\(yn)㌦(du)

һ(g)\(yn)ɂ(g)\(yn)㌦(du)+ȻҪɂ(g)\(yn)㌦(du)M(jn)мӷ\(yn)㣺3+5CZ(y)QҪn(g)\(yn)㌦(du)\(yn)nԪ\(yn)һԪ\(yn)У!Ԫ\(yn)У+,-,*,/,%(),=,+=-=*=/=,%=,<,>,=,==(),!=()&&(),||()Ԫ\(yn)У

\(yn)ă(yu)ȼ(j)ͽY(ji)

i.(yu)ȼ(j)ͬһ(g)\(yn)㌦(du)҃߅ͬr(sh)Ѓɂ(g)\(yn)t@ɂ(g)\(yn)

(yu)ȼ(j)ߵM(jn)\(yn)

ii.Y(ji)ԣͬһ(g)\(yn)㌦(du)҃߅ăɂ(g)\(yn)(yu)ȼ(j)ͬt(j)

Y(ji)ДM(jn)Ă(g)\(yn)ҽY(ji)Ե߅\(yn)߅\(yn)

iii.\(yn)ă(yu)ȼ(j)ͽY(ji)ҊP365C(qing)D(zhun)Q

ʽ()_(d)ʽı_(d)ʽֵĔ(sh)(j)D(zhun)QcA̖(ho)(ni)һµעһҪã(li)

g(sh)_(d)ʽ

i.g(sh)\(yn)+,-,*,/,%()

ii.g(sh)\(yn)\(yn)㌦(du)(gu)g(sh)_(d)ʽ,3+3*6-9/2iii.ֵ҂СW(xu)r(sh)W(xu)һӣDZ_(d)ʽӋ(j)Y(ji)iv.(sh)(sh)Y(ji)ȡ(sh)1/3õֵ0v.5%3Y(ji)2СW(xu)õ(sh)xֵ_(d)ʽ

i.xֵ\(yn)=+=-=*=/=,%=

ii.xֵ_(d)ʽ׃=_(d)ʽx=3+6x+=6-9x+=x*=3+4ע̖(ho)߅ֻ׃

iii.(f)xֵ\(yn)\(yn)㣺/=x/=_(d)ʽȃr(ji)x=x/(_(d)ʽ)iv.ֵ=̖(ho)߅׃KֵP(gun)ϵ_(d)ʽ

i.P(gun)ϵ\(yn)<,>,=,==(),!=()

ii.P(gun)ϵ\(yn)\(yn)㌦(du)(gu)P(gun)ϵ_(d)ʽ,3>=4,2==aiii.ֵM(yng)\(yn)ָP(gun)ϵֵ1t0߉݋_(d)ʽ

i.߉݋\(yn)&&(),||(),!()

ii.߉݋\(yn)\(yn)㌦(du)(gu)߉݋_(d)ʽ,3&&4,x||!yiii.ֵM(yng)\(yn)ָP(gun)ϵֵ1t0

iv.M(jn)||\(yn)r(sh)||߅ı_(d)ʽֵ1tٌ(du)߅ı_(d)ʽv.

M(jn)\(yn)M(jn)&&\(yn)r(sh)&&߅ı_(d)ʽֵ0tٌ(du)߅ı_(d)ʽM(jn)\(yn)̖(ho)_(d)ʽ

i.̖(ho)\(yn)

ii.ö̖(ho)N_(d)ʽBm(x)(li)(gu)ɶ̖(ho)_(d)ʽ3+4,a=9,8*a

iii.ֵMɶ̖(ho)_(d)ʽĸ(g)_(d)ʽеһ(g)ֵ8*a}ĿP711~17P818~33

ݔݔ(sh)

scanf(ʽƴ׃ַ);

scanf(%d%c%d,&a,&ch,&b);scanf(%4f,&x);ע⣺

i.ʽƴɿƽȡÑݔǰׂ(g)ַo׃ܿݔ

λС(sh)o׃粻܌scanf(%4.2f,&x);

ii.ڶ(g)(sh)oǵַҪô&+׃(sh)MԪʽҪ

ôһ(g)(sh)Mָ׃int*p,a;p=&a;scanf(%d,p);iii.ԇr(sh)ע⿴}Ŀo㌑õscanfĸʽ1.ʽƴ(ni)ʽá_

scanf(%d%c%d,&a,&ch,&b);ݔr(sh)ҲҪö̖(ho)_ݔr(sh)(yng)3,+,5

2.@Nʽscanf(%d%d,&a,&b);tݔr(sh)(yng)35;

3.@Nʽscanf(%d%c%d,&a,&ch,&b);tݔr(sh)(yng)3+5􌑳3

+5ta=3,ch=(ո)b=ֵ(ԼϙC(j)\(yn)пY(ji))

printf(ʽƴݔ(xing));

floatx=7.5;printf(%8.2f,x);̎˼njxӡ(li)ռ8λС(sh)ԼϙC(j)\(yn)пЧ

øʽR

i.%dݔݔ͔(sh)(j)%ldݔݔL(zhng)͔(sh)(j)ii.%cݔݔַ͔(sh)(j)

iii.%fݔΣpȸc(din)͔(sh)(j)ݔξ͔(sh)

(j)%lfݔp͔(sh)(j)

iv.%sݔݔһ(g)ַprintfݔַr(sh)ݔ(xing)r(sh)

ַַ(sh)Mprintf(%s,hello);charstr[10]=hello;printf(%s,str);%uݔݔo(w)̖(ho)%oݔݔM(jn)Ɣ(sh)%x:ݔݔʮM(jn)Ɣ(sh)

getchar();

(sh){(dio)ú󷵻Ñݔһ(g)ַٶxһ(g)׃(li)@(g)ַʹÕr(sh)(yng)charc;c=getchar()˼ǽÑݔһ(g)ַxֵo׃c

putchar(ַַ׃)

charc=A;putchar(c);putchar(A)(hu)ĻݔַA

v.

CZ(y)ԵZ(y)

_(d)ʽZ(y)䣺ɱ_(d)ʽĩβϷ̖(ho)(gu)

(sh){(dio)Z(y)䣺ɺ(sh){(dio)ñ_(d)ʽϷ̖(ho)(gu)ɡZ(y)䣺

xY(ji)(gu)Z(y)䣺ifZ(y)switchZ(y)

ѭh(hun)Z(y)䣺forZ(y)whileZ(y)dowhileZ(y)

(f)Z(y)䣺û̖(ho)Z(y)(li)(gu)һl(f)Z(y)

ߡCĻY(ji)(gu)

voidmain()

{•֣Á(li)x׃•Զx(sh)ԭԡY(ji)βintx;(zh)Z(y)䲿֣c(din)BĸNZ(y)x=3printf(%d,x);}

main(sh)ɌԶx(sh)intmax(){

return0;}

ˡxY(ji)(gu)Z(y)

if(_(d)ʽ)Z(y)1elseZ(y)2

ifZ(y)ĈA̖(ho)(ni)ı_(d)ʽֵ0t(zh)Z(y)1ֵ0t(zh)Z(y)2

i._(d)ʽɞ_(d)ʽifZ(y)(zh)еČ(sh)|(zh)Д_(d)ʽֵǷ0

(li)Q(zh)Z(y)1߀Z(y)2Ո(qng)?jin)ڴ̎_(d)(yn)P(gun)УǸii.

߀DzB(jng)(hu)Дɂ(g)(sh)ȵķ̖(ho)==һ(g)̖(ho)=ɞxֵ\(yn)@ӵČ(hu)l(f)ge(cu)`Y(ji)(hu)cԭͬԿԇǰՈ(qng)?jin)Լ?/p>

Z(y)1Z(y)2ֻһ(g)Z(y)䣬ҪlZ(y)ӛһ(du){}(li)(gu)ɏ(f)Z(y)ҲҪSڈA̖(ho)ӡ(gu)һlZ(y)䣬@(hu)ʹZ(y)1ٌifZ(y)ĽMɲifZ(y)NY(ji)(gu)

߅if(_(d)ʽ)Z(y)

p߅if(_(d)ʽ)Z(y)1elseZ(y)2(c(din))

iii.1.2.3.if(_(d)ʽ1)Z(y)1elseif(_(d)ʽ2)Z(y)2elseif(_(d)ʽ3)Z(y)3

elseZ(y)n

l\(yn)_(d)ʽ1?_(d)ʽ2:_(d)ʽ3

_(d)ʽ1ֵ0tȡ_(d)ʽ2ֵ(g)_(d)ʽֵtȡ_(d)ʽ3ֵ(g)_(d)ʽֵ3>4?1:2ԓ_(d)ʽֵ2switchZ(y)

switch(_(d)ʽ){case_(d)ʽ1Z(y)case_(d)ʽ2Z(y)䡭

case_(d)ʽnZ(y)default:Z(y)}

Z(y)(zh)^(gu)̣Ӌ(j)_(d)ʽֵȻДԓֵc_(d)ʽ1_(d)ʽnеĂ(g)ȣc_(d)ʽiֵt(zh)б_(d)ʽiZ(y)(dng)breakZ(y)r(sh)Y(ji)(g)switchZ(y)Ĉ(zh)_(d)ʽ1_(d)ʽnֵȵrˆ(zh)defaultZ(y)ÿ(g)caseɸlZ(y)

ѭh(hun)Y(ji)(gu)

forѭh(hun)Z(y)

for(_(d)ʽ1_(d)ʽ2_(d)ʽ3)ѭh(hun)wZ(y)Z(y)(zh)^(gu)̣1.Ӌ(j)_(d)ʽ1

2.Д_(d)ʽ2ֵǷ00Z(y)(zh)нY(ji)0M(jn)

E3

3.(zh)ѭh(hun)wZ(y)䣨עѭh(hun)wZ(y)ֻһ(g)Z(y)Ҫ(g)Z(y)Ҫһ(du){}(li)(gu)һl(f)Z(y)̎ҲҪSϡ;һ(g)ɘ(gu)һlZ(y)䣬@(hu)ʹúѭh(hun)wZ(y)䲻forѭh(hun)Z(y)IJ֣M(jn)벽E4

4.Ӌ(j)_(d)ʽ3ȻM(jn)벽E2

whileѭh(hun)Z(y)dowhileѭh(hun)Z(y)

i.while(_(d)ʽ)ѭh(hun)wZ(y)(zh)^(gu)̣

1.Д_(d)ʽֵǷ0M(jn)벽E2tY(ji)Z(y)(zh)2.(zh)ѭh(hun)wZ(y)»صE1ii.doѭh(hun)wZ(y)while(_(d)ʽ)(zh)^(gu)̣

1.(zh)ѭh(hun)wZ(y)M(jn)벽E2

2.Д_(d)ʽֵǷ0»صE1tY(ji)Z(y)(zh)@ҪעĵطforZ(y)һӣѭh(hun)wZ(y)ֻһ(g)Z(y)䣬Ҫ(g)Z(y)Ҫһ(du){}(li)(gu)һl(f)Z(y)̎ҲҪSϡ;һ(g)ɘ(gu)һlZ(y)@(hu)ʹúѭh(hun)wZ(y)䲻whileѭh(hun)Z(y)IJ֣dowhileѭh(hun)while(_(d)ʽ)ҪӡbreakZ(y)䣺ѭh(hun)w(ni)(sh)F(xin)ĹǽY(ji)ڵnjѭh(hun)Ĉ(zh)ʮ(sh)M

xʽ(sh)(j)͔(sh)M[ͳ]inta[10];xһ(g)͔(sh)

M(sh)Ma@(g)(sh)M10(g)Ԫ

Ô(sh)MԪأʽ(sh)M[˜(bio)]ӛ˜(bio)ֵ0_ʼ˜(bio)ɞ鳣

_(d)ʽ׃ȣinti=3a[0]=5a[3*2]=9a[i]=7

ʼ(sh)(j)͔(sh)M[ͳ]={(sh)(j)}(sh)(j)еĸ(g)ֵ

xֵo(sh)Mĸ(g)Ԫءinta[5]={0,1,2,3,4}t(sh)MaԪa[0]a[4]ֵքe01234v(sh)MԪ

(sh)Mx҂܌(du)(sh)MM(jn)wIJinta[10];a=3@ӵIJ(sh)MĸԪضxֵ3ֻһ(g)һ(g)ԪصM(jn)xֵa[0]=3;a[1]=3;a[2]=3a[9]=3(dng)Ȼ˕r(sh)҂ͿԽһ(g)forѭh(hun)(li)˜(bio)׃Ķ(du)(sh)Mĸ(g)ԪM(jn)xֵfor(i=0;istrcat(str1,str2);

t\(yn)еĽY(ji)str1(ni)ŵַ׃?yu)ABCxyz(dng)Ȼstr2ŵַ߀xyz

strcmp(ַ1ĵַַ2ĵַ)

^1ʹ2Ă(g)^^С(j)ɂ(g)ַ(yng)λϵһ(g)ȵַASCIIaֵ֮charstr1[20]=ABCE,str2[20]=ABDE;inti;

i=strcmp(str1,str2);

һ(g)ȵַstr1ġCstr2ġD-1-1strcmp(sh)(zh)еĽY(ji)ص{(dio)õλԓλλxֵ_(d)ʽ(ni)ʌֵxֵoi˕r(sh)iֵ-1.

strcpy(ַ1ĵַַ2ĵַ)

ַ2ă(ni)ݏ(f)Ƶַ1(ni)charstr1[20]=ABC,str2[20]=xyz;

strcpy(str1,str2);˕r(sh)str1ă(ni)ݞ顱xyz(dng)Ȼstr2ă(ni)ݛ](mi)׃strcpy(str1,uvw);˕r(sh)str1ă(ni)׃ˡuvw

ʮ(sh)

(sh)x

(sh)ͺ(sh)(ʽ(sh)б){

(ni)׃x•ֈ(zh)Z(y)}磺

intmax(intx,inty){intz;

z=x>y?x:y;return(z);}

עc(din)

1.(sh)ֵָҪcreturnZ(y)ı_(d)ʽֵһ(sh)͞voidtf(shu)ԓ(sh)o(w)ֵ(sh)wﲻܳF(xin)returnZ(y)2.ʽ(sh)бﶨx׃Ҫӛýoָͬr(sh)Ҫx(g)(yng)ÿ(g)ǰ涼քeָ܌intx,y;

3.(sh)w܌Z(y)main(sh)һ_^ɶxҪ׃һш(zh)Z(y)(sh){(dio)

ĺ(sh)main(sh)M(jn){(dio)ãvoidmain(){inta,b,c;

scanf(%d%d,&a,&b);

printf(%d,max(a,b));c=max(a,b);printf(%d,c)σɷN(hu)Ļдӡabg^ֵ

{(dio)ú(sh)ĸʽ(sh)((sh)H(sh)б){(dio)õĕr(sh)ʲô(sh)ͣʽ(sh);ͲҪȥmax(a,b)maxǺ(sh)׃a,bnj(sh)H(sh)б(zh)@(g){(dio)Z(y)r(sh)(hu)Ȱa(b),bֵo(yng)λõʽ(sh)(zh)x=a,y=b@ӵIJȻ_ʼ(zh)max(sh)ĺ(sh)wZ(y)(dng)max(sh)w(zh)еһ(g)returnZ(y)r(sh)tmax(sh)Y(ji)(zh)Уreturnı_(d)ʽֵؽomain(sh){(dio)max(sh)ǂ(g)λa=3,b=5tmax(a,b)returnı_(d)ʽֵ(yng)ԓ5Ҳf(shu)(zh)max5ص{(dio)maxλÿɿprintf(%d5)һNⷨc=5}

ʮָ

ָ׃•*ָ׃ͨ^(gu)ָ׃L(wn)ָͨ׃ֵ

Ȍͨ׃ĵַxֵoָ׃ͨ^(gu)ָ\(yn)*õͨ׃ֵint*p,x,y;x=3;p=&x;

tprintf(%d,*p);(hu)ӡ3xֵy=*ptyֵ׃?yu)?*p=5txֵ׃?yu)?

ָ׃ϣpȥһ(g)λƵЧ

ָ׃ǔ(sh)MԪصĵַtһpһõǂ(g)(sh)MԪһ(g)ǰһ(g)Ԫصĵַinta[10];p=&a[3];

*põa[3]ֵ

p++˕r(sh)pŵa[4]ĵַ&a[4];*põľa[4]ֵp--˕r(sh)pŵa[2]ĵַ&a[2]*põľa[2]ֵ

ָ

i.Ҫnj(du)ڶS(sh)M(li)f(shu)S(sh)MÿжԼĵַ0е

ַÔ(sh)Mʾiеַ锵(sh)M+iҪõS(sh)Mһ(g)ԪصĵַȵõеĵַȻǂ(g)ַõԪصĵַf(shu)inta[3][4]xһ(g)S(sh)MԓS(sh)M0еĵַa1еĵַa+12еĵַa+2еĵַõԪصĵַеַǰָ\(yn)**aǵ0ׂ(g)Ԫصĵַa[0][0]ĵַa[0][2]ĵַa[0][0]ĵַA(ch)ϼλ2*a+2Ȼõa[0][2]@(g)Ԫصֵؾټһ(g)ָ\(yn)**(*a+2)Ƶõa[2][2]@(g)Ԫصֵؾ*(*(a+2)+2)

ii.xָ׃*׃[(sh)ML(zhng)]

int(*p)[4],a[3][4];p=a;˕r(sh)Ϳɰp(dng)a(li)ã÷ͬ

ДǷϷL(wn)(sh)MԪأָ?l)L(wn)ДָᘺǷַ

˜(bio)L(wn)Ę(bio)Пo(w)Խ(sh)ָᘣ(sh)麯(sh)ĵַָᘣ

i.(sh)ָ׃Ķx(*׃)(΅б);int(*p)();ii.xֵָ׃=(sh)O(sh)Ђ(g)(sh)亯(sh)max,tҪԓ(sh)

ַopԒֻҪ(zh)Z(y)伴p=max;

ָᘔ(sh)Mָᘔ(sh)MĔ(sh)MԪضָ׃Á(li)׃ĵַ

xʽ*׃[(sh)ML(zhng)];int*p[10];ָָᘵָᘣָ׃ҲһN׃ڃ(ni)ҲЌ(du)(yng)һ(g)ַ

Ҫָ׃ĵַҪÁ(li)ָ׃ĵַָ׃xʽ**׃int*p1;int**p2;inta=3;M(jn)xֵp1=&a;p2=&p1;ta*p1**p2ֵ3.

ʮġ궨x

o(w)궨x#define(bio)R(sh)ֵxF(xin)xĘ(bio)R(sh)ĵط

Զxr(sh)ֵָ(li)

#defineM2+3main(){intx;

x=M*M;txֵ2+3*2+3=11õĽY(ji)(2+3)*(2+3)txr(sh)Ҳ@#defineM(2+3)}

ע#define(bio)R(sh)ֵ֮gҪÿո_Һ궨xY(ji)βӷ̖(ho)궨x#define(bio)R(sh)((sh))ֵ

#defineS(x,y)x*ymain()

{inta=3,b=4,c=5,d=6;

printf("a*b=%d\\n",S(a,b));˕r(sh)(hu)ӡa*b=12

printf("a+b*c+d=%d\\n",S(a+b,c+d));˕r(sh)(hu)ӡa+b*c+d=29궨x(zh)Еr(sh)nja+b@һ(g)_(d)ʽxc+d@һ(g)_(d)ʽyS(a+b,c+d)M(jn)еa+b*c+d\(yn)nja+bֵoxc+dֵoyȻx*y@c(din)(sh){(dio)Âf(sh)Dzһӵġ}

Զxtypedef(du)Ѵڵȡһ(g)̖(ho)

i.ʽtypedefԭ;

ii.typedefintINTEGER;tinta,b;ȃr(ji)INTEGERa,b;

iii.typedefintNUM[10];tinta[10];ȃr(ji)NUMa;aһ(g)10

(g)ԪصĔ(sh)MĔ(sh)M

iv.typedefint*INTEGER;tint*a,*b;ȃr(ji)INTEGERa,b;

ʮ塢Y(ji)(gu)wwöe

Y(ji)(gu)w

i.Y(ji)(gu)w͵Ķx׃Ķx

structY(ji)(gu)w{ͳɆT1ͳɆT2

ͳɆTn}׃;

structstudent{longnum;charname[10];intscore[4];

}st1;x͕r(sh)ͬr(sh)x׃

structstudentst2;xͺx׃߀һNstruct

{longnum;

charname[10];intscore[4];

}st3;oֱӶx׃

ii.Y(ji)(gu)w׃ռֹ(ji)(sh)ɆTռֹ(ji)(sh)֮st1,st2,st3

ֹ(ji)(sh)Ԟ10+20+2*4=38

iii.Y(ji)(gu)w׃ʼstructstudenta={201*0001,"",70,75,80,85};iv.Y(ji)(gu)w(sh)Mxʼ

structstudenta[3]={{201*0001,"zhang",89,90,91,92},{201*0002,"liu",68,69,70,71},{201*0003,"li",57,58,59,60}};v.Y(ji)(gu)w׃ɆTL(wn)

1.Y(ji)(gu)w׃.ɆTst1.num2.ʹýY(ji)(gu)w͵ָᘣ

(*Y(ji)(gu)wָ).ɆTY(ji)(gu)wָ>ɆTstructstudent*st;st=&st1;st->num(*st).numw

i.w͵Ķx׃Ķx

unionw{ͳɆT1

ͳɆTn

}

׃ĶxcY(ji)(gu)wҲNuniondata{

inti;charch;floatf;

}d1;x͕r(sh)ͬr(sh)x׃

uniondatad2;xͺx׃union{

inti;charch;floatf;

}d3;oֱӶx׃

ii.w׃ռֹ(ji)(sh)ɆTռֹ(ji)(sh)ֵ,d1,d2,d3

ռֹ(ji)(sh)Ԟ4.ξȸc(din)׃ռֹ(ji)(sh)4.iii.w׃ɆTL(wn)

1.w׃.ɆTd1.i2.ʹùw͵ָᘣ

(*wָ).ɆTwָ>ɆTuniondata*dd;dd=&d1;dd->i(*dd).i

iv.wɆTֵڹwɆTͬһ΃(ni)^(q)ͬһr(sh)

ֻһ(g)ɆTֵ_d1.i=5;d1.ch=a;t˕r(sh)d1.iֵͲ5ֵd1.chֵǡa

öe

i.öe͵Ķx

enumöe{öeԪ1öeԪ2öeԪn}ii.öeԪصֵ

ĬJ(rn)ֵքe01n-1öeԪصֵҲڶxr(sh)ָ(du)ڛ](mi)ֵָԪ1

enumweekday{sun=7,mon=1,tue,wend,thur,fri,sat};tsunֵ7monֵ1tueֵ2wendֵ3thurֵ4friֵ5satֵ6

ʾP(gun)ڡCZ(y)ԿY(ji)oķHչ˼SʹCZ(y)ԿY(ji)ԓƪ½h(chung)

(li)ԴW(wng)j(lu) ؟(z)•ăHތW(xu)(x)a(chn)(qun)(wn)}Ո(qng)“(lin)ϵ҂r(sh)h


CZ(y)ԿY(ji)ɻ“(lin)W(wng)Ñṩ,D(zhun)dՈ(qng)ԭϢ,xx!
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