第9章

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C pRD * “RD *H 0 “RD *H 0 0 1 _ 2 _ ª 3 _ ª H Ñ ·¶ ª* “ #”
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§ 9. 1. 1 ˆ Ëμ ª * #def i ne ˆ * X ˜2 ´ª #def i ne pI 3. 1415926 §9. 1
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1 ˜ !6 ;{+ Ð ·¶ ª*Ð H ± · ˜ !6 ;{+ Ð ·¶ ª*Ð ê ` ˜ !6 ;{+ Ð ·¶ ª*Ð ê ·¶ ª 2 ˜ !6 ;{+ Ð ·¶ ª*Ð ·¶ ª H ± ·
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9.1 #define PI 3.1415926 main( ) {float l,s,r,v; printf(“input radius:”); scanf(“%f”,&r}; l=2.0*PI*r; s=PI*r*r; v=4.0/3*PI*r*r*r; printf(“l=%10.4f\ns=%10.4f\nv=%10.4f\n” l,s,v);} C C input radius:4 l=25.1328 s=50.2655 v=268.082
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1 6 ;{+ ˜ !6 ;{+P Ñ ·¶ ª*Ð #def i ne PI 3. l 4l 5926; l 8Ñ · ¶ª* PI 2 8Ñ · ¶ª #def i ne #undef #def i ne G 3. 6 #undef G . . .
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3 6 ;{+ #def i ne L 3. 6 pr i nt f ( “ L=% f ” , L) ;
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2“RD * 0 ˜!6;{+ p‰ ´¶ ª* 9. 1. 2 H ‡´ ¶ª * #def i ne ó - 1 pR ;{+ 6;{+
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9.3 #define PI 3.1415926 #define S(r) PI*r*r main( ) {float a,area; a=3.6; area=S(a); printf(“r=%f\narea=%f\n”,a,area); }
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#define F(a,b) a+b main() (int x=1,y=2,z; z=F(x,y)/F(x,y); printf(“z=%d=n”,z); } z=5 C pRD * 0
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6 ;{+ #define F(a,b) C a C + C b C main() (int x=1,y=2,z; z=F(x,y)/F(x,y); printf(“z=%d=n”,z); } + z=1
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9.4
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This note was uploaded on 11/08/2009 for the course ISYS 2350 taught by Professor Joserf during the Three '08 term at University of Sydney.

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第9ç«&n...

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