- P(gun)]
2017P(gun)ӋCCZԳ֪Rc
ԇƸՈȫӋCҽM“ȫӋCȼԇίT”ؓ(f)؟(z)O(sh)ӋԇԇVԇ}u֘(bio)(zhn)СxӋCCZԳ֪Rcgӭ!
CZԻ֪R
c1C
CZԳY(ji)(gu)N: Y(ji)(gu) , ѭh(hun)Y(ji)(gu)(ѭh(hun)Y(ji)(gu)), xY(ji)(gu)(if switch)
c2main(sh)
ÿCZԳmain (sh)ֻһxҪmain(), Ȼx(ѭh(hun)ѭh(hun),xx)
c3惦ʽ
ӋCĔ(sh)(j)XԶM(jn)Ƶʽ͵Ĵ惦Ԫbit(λ)λɞ 0 1(gu) byte ָֹ(ji), һֹ(ji) = ˂λ(sh)(j)ŵλþĵַ
c4ע
njfɳF(xin)ڳmĵطעጏ“/*”_ʼһ“*/”Y(ji)gκ(ni)ݶӋC(zh)עጲǶ
c5ʽ
ÿlZĺһ̖̖ZһһЃ(ni)ɌlZһZɌڶϡ
c6(bio)R
ϷÑ(bio)R飺
ϷҪĸ(sh)֣MԪؾe
ҵһ횞ĸtһ锵(sh)־e
CZԘ(bio)R3
(1)P(gun)Iڳй̶ĺxintforswitch
(2)A(y)x(bio)RA(y)ȶxضxĘ(bio)Rdefineinclude
(3)Ñ(bio)RÑ(j)ҪxĘ(bio)RҎ(gu)tҲcP(gun)Iͬ
P(gun)IֲÑ(bio)R̖main define scanf printf P(gun)IԻĵطIf ǿÑ(bio)RIf еĵһĸԲP(gun)I֡
c7͔(sh)(j)
͔(sh)(j)ĺϷʽС(sh)ʽָ(sh)ʽжָ(sh)ʽϷ
2.333e-1 ǺϷҔ(sh)(j)2.333×10-1
ԇEe ǰe Д(sh)e ؞(sh)
c8ַ
ַ(sh)(j)ĺϷʽ:
'1' ַռһֹ(ji)"1"ַռɂֹ(ji)(һY(ji)̖)
'0' ASCII (sh)ֵʾ48'a' ASCII (sh)ֵ97'A'ASCII (sh)ֵ65
ַͺ(sh)ǽH
char a = 65 ;
printf(“%c”, a); õݔY(ji)a
printf(“%d”, a); õݔY(ji)65
һ㿼ԇʾַe`ʽ'65' "1"
ַǿM(jn)g(sh)\ӛס '0'-0=48
ĸСĸD(zhun)Qķ 'A'+32='a' ֮gһ32
c9͔(sh)(j)
һǃɂֹ(ji), ַһֹ(ji)pһ4 ֹ(ji)
ԇrһf16 λgϵy(tng)32 λϵy(tng)@NrҪȥ
һ}һǃɂֹ(ji), ַһֹ(ji)pһ4 ֹ(ji)Ϳ
c10D(zhun)xַ
D(zhun)xַĿ飺
ڳ int a = 0x6dǰһʮM(jn)Ƶ.(sh)o׃a ע@0x 횴ڡ
ڳ int a = 06d, һM(jn)Ƶʽ
D(zhun)xַУ ’\x6d’ ǺϷ0 ܌x С
‘\141’ ǺϷģ 0 Dz܌
‘\108’ǷǷ鲻ԳF(xin)8
c11g(sh)\
g(sh)\һ+—*/%@傀%̖߅Ҫ(sh)(sh)e
NȡGС(sh)rС(sh)
1int a =1.6;
2(int)a;
31/2; 3/2;
c12D(zhun)Q
һ\㌦D(zhun)Qָʽ()_(d)ʽ
һ (int)a int(a)עһ̖ġ
ע(int)(a+b) (int)a+b ą^(q)eǰǰa+b D(zhun)ͣǰa D(zhun)ټb
c13xֵ
DZ_(d)ʽһД(sh)ֵ
xֵ_(d)ʽ_(d)ʽ(sh)ֵ߅Ĕ(sh)ֵa=b=5;ԓ_(d)ʽ5xֵ
(f)xֵ\ע⣺a*=m+2 a=a*(m+2)
ԼԜp_(d)ʽO(sh)a=5++a(_(d)ʽֵ6) a++(_(d)ʽֵ5);
j=a++;ȃrj=a;a=a+1; j=++a;ȃra=a+1;j=a;
ԇE++ǰȼӺã++ںú
c14̖\
̖_(d)ʽ(yu)ȼe; _(d)ʽĔ(sh)ֵ̖߅ǂ_(d)ʽĔ(sh)ֵ
(234)ı_(d)ʽĔ(sh)ֵ4
c15(sh)D(zhun)Q
һҪӛסM(jn) D(zhun)QʮM(jn)
M(jn)Ǜ]8 ģ8 M(jn)1018 Ĕ(sh)ֵǷǷġ
c16λ\
һ}ԇ}Ŀ
CZṩ6Nλ\λ~λ<<λ>>λc&λ|λ^
̎еλ\}ĿҪ@́̎(ȰʮM(jn)׃ɶM(jn)׃ʮM(jn))
\Ҏ(gu)t01õ100õ011õ0ӛ“ͬ0ͬ1”
Ҋ̲311
ڛ]ȥ(sh)(j)ĕr<<һλʾ2;>>һλʾ2
ѭh(hun)Y(ji)(gu)
c1Nѭh(hun)Y(ji)(gu)
while();do- while();for()NNY(ji)(gu)ĸʽ(zh)ԔҊ̲ĵ586264퓡
b)for ѭh(hun)(dng)бǃɂ̖ǧfҪӛ
c)ĕrһҪעѭh(hun)һҪнY(ji)ėltѭh(hun)
d) do-while()ѭh(hun)һwhile();ķ̖һ܉G((dng)ϙCe)do-while
ѭh(hun)و(zh)һѭh(hun)
c2breakccontinue
break continue IJe
ӛ
breakǴƵ˼(ѭh(hun))ԿҊbreak ˳@һѭh(hun)
continue ^m(x)˼ҪY(ji)ѭh(hun)ѭh(hun)w(ni)ʣµZ䲻و(zh)ѭh(hun)_ʼȻДѭh(hun)lM(jn)һ݆ѭh(hun)
c3ѭh(hun)Ƕ
ѭh(hun)߀ѭh(hun)@N^(f)sҪһһһһĵӋһֻɌǶѭh(hun)Ƕͨ̎S(sh)M
ѭh(hun)Y(ji)(gu)cPԇռֵһ13ϙCԇҲDZؿc(yng)ԺҪW(xu)TcⲢӾ(x)I(lng)
ӋCCZԳ֪RcP(gun)£
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