Posted on 2008-10-29 14:35
Hero 阅读(93)
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代码如诗－－ACM
1 // 1025 C++ Accepted 0.015 121 KB URAL
2
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6
7 const int size = 120 ;
8 int data[size] ;
9
10 int ink ;
11
12 int cmp( const void *a, const void * b )
13 {
14 return *(int *)a - *(int *)b ;
15 }
16
17 int main()
18 {
19 while( scanf( "%d", &ink ) != EOF )
20 {
21 for( int i=1; i<=ink; i++ ) scanf( "%d", &data[i] ) ;
22
23 qsort( data+1, ink, sizeof(data[1]), cmp ) ;
24
25 int maxi = (ink+1) / 2 ; int out = 0 ;
26 for( int i=1; i<=maxi; i++ )
27 {
28 out += (data[i]+1) / 2 ;
29 }
30
31 printf( "%d\n",out ) ;
32 }
33
34 return 0 ;
35 }