Posted on 2008-09-02 11:36
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代碼如詩(shī)－－ACM
1 //3077 Accepted 312K 0MS G++ 684B PKU
2
3 //利用+0.5來(lái)進(jìn)行四舍五入
4
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8
9 int inn ;
10 int inval ;
11
12 int fpow( int a, int b )
13 {
14 int reval = 1 ;
15
16 for( int i=1; i<=b; i++ ) reval = reval * a ;
17
18 return reval ;
19 }
20
21 void process()
22 {
23 double out ; int pow ;
24 for( int i=1; i<=inn; i++ )
25 {
26 scanf( "%d", &inval ) ; pow = 0 ; out = inval * 1.0 ;
27 while( inval > 9 )
28 {
29 out = out / 10 ; pow++ ;
30 inval = (int)(out+0.5) ; out = inval * 1.0 ;
31 }
32
33 printf( "%d\n", inval * fpow( 10, pow ) ) ;
34 }
35 }
36
37 int main()
38 {
39 //freopen( "in.txt", "r", stdin ) ;
40
41 while( scanf( "%d", &inn ) != EOF )
42 {
43 //input() ;
44
45 process() ;
46
47 //output() ;
48 }
49
50 return 0 ;
51 }