📄 [讨论]很有挑战的一道acm题，要求用java做.mht
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Date: Sun, 7 Dec 2008 18:31:25 +0800
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=
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=B7=A2=B1=ED=CA=B1=BC=E4=A3=BA2007-8-6 20:18:00 =
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<TD style=3D"TABLE-LAYOUT: fixed; WORD-BREAK: break-all"=20
=
width=3D"100%">Exponentiation<BR>Time Limit:500MS Memory&=
nbsp;Limit:10000K<BR>Total Submit:23279 Accepted:5276<BR><BR>De=
scription<BR>Problems involving the computation of&nb=
sp;exact values of very large magnitude and=
precision are common. For example, the&nbs=
p;computation of the national debt is a&nbs=
p;taxing experience for many computer systems.<B=
R><BR>This problem requires that you write =
a program to compute the exact value o=
f Rn where R is a real number (&n=
bsp;0.0 < R < 99.999 ) and n&nbs=
p;is an integer such that 0 < n&nbs=
p;<=3D 25.<BR><BR>Input<BR>The input will consist&=
nbsp;of a set of pairs of values for&n=
bsp;R and n. The R value will occupy&n=
bsp;columns 1 through 6, and the n val=
ue will be in columns 8 and 9.<BR><BR>=
Output<BR>The output will consist of one li=
ne for each line of input giving the&n=
bsp;exact value of R^n. Leading zeros shoul=
d be suppressed in the output. Insignifican=
t trailing zeros must not be printed. =
Don't print the decimal point if the r=
esult is an integer.<BR><BR>Sample Input<BR><BR>95.12=
3 12<BR>0.4321 20<BR>5.1234 15<BR>6.7592 9<BR>9=
8.999 10<BR>1.0100 12<BR><BR>Sample Output<BR><BR>54881562=
0517731830194541.899025343415715973535967221869852721<BR>.000000051485546=
41076956121994511276767154838481760200726351203835429763013462401<BR>4399=
2025569.928573701266488041146654993318703707511666295476720493953024<BR>2=
9448126.764121021618164430206909037173276672<BR>90429072743629540498.1075=
96019456651774561044010001<BR>1.126825030131969720661201=20
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=
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