本帖最后由 fmdd 于 2013-12-31 21:48 编辑 % L4 r3 m2 {& E% f
% h! d: n' U5 g3 z3 d( z$ w# include <stdio.h>8 ]/ j" u/ n$ Q
1 \! J! ?( j- Y$ u+ N( D! o' gint main(void)8 g5 [7 [2 w6 q8 G
{
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; r4 V: }% z# c! `$ P, afloat Y=1.0;
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( n, t2 @+ E2 lfor(float A=20;A<=70;A++) * s' Q5 N u, |9 `& ^4 a
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for(float B=20;B<=70;B++)
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; x V5 j9 z& z/ J* v for(float C=20;C<=70;C++) * g. u# o* }/ I' c: c0 O1 h3 y# _+ X
{
0 Z1 Y* J1 w9 F g1 n for(float D=20;D<=70;D++)
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Y=A*D/(B*C);0 J* k; `) \9 z" V+ V# ~" o/ A* x
/ X9 ]1 W' ?* I3 [0 D printf("A=%f B=%f C=%f D=%f Y=%f\n",A,B,C,D,Y);
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}
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return 0;3 B6 J* }( f7 u2 }% }
}
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+ T% J F: p7 H7 f部分输出:/ g2 p3 E& C+ b& C$ W
' h' b$ s, v, c1 t& _ c: F1 L2 B. ]A=20.000000 B=21.000000 C=39.000000 D=52.000000 Y=1.269841$ |+ F8 E8 m. B& o. @# F
A=20.000000 B=21.000000 C=39.000000 D=53.000000 Y=1.294261
: V. v) m; S; j) ?# r: u2 j8 KA=20.000000 B=21.000000 C=39.000000 D=54.000000 Y=1.318681
+ j; |# b _; i/ S- Z9 zA=20.000000 B=21.000000 C=39.000000 D=55.000000 Y=1.3431013 p# {, m4 |* q: W- f( p3 o
A=20.000000 B=21.000000 C=39.000000 D=56.000000 Y=1.367521
( \1 Y# M4 Z; K2 |' E# sA=20.000000 B=21.000000 C=39.000000 D=57.000000 Y=1.391941
* T8 u2 S3 l% f @' P' \A=20.000000 B=21.000000 C=39.000000 D=58.000000 Y=1.416361: O1 n# P. ^- [: h) a% y- f+ k# |
A=20.000000 B=21.000000 C=39.000000 D=59.000000 Y=1.440781
1 g* Y2 ]; F' V. t0 E6 c bA=20.000000 B=21.000000 C=39.000000 D=60.000000 Y=1.465201+ I% p/ U- W, F, h1 ^% @
A=20.000000 B=21.000000 C=39.000000 D=61.000000 Y=1.489622
$ K5 k$ |. a6 zA=20.000000 B=21.000000 C=39.000000 D=62.000000 Y=1.514042" t! h0 @' B& H! L
A=20.000000 B=21.000000 C=39.000000 D=63.000000 Y=1.5384628 {( P: d, K6 J- p ^
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