UVa 10878 磁带解码

#include <stdio.h>
#include <math.h>
int main( )
{
int p,q,sum;
int i;
char ss[ 10000 ];
char  s[ 10000 ];
char c;

p = q = 0;
while( getchar( )!='\n' );
while( ( c=getchar( ) ) != '_' )
{
c = getchar( );
p = 0;
while( ( c = getchar( )) !='|' && c!='\n' && c!=EOF )
ss[ p++ ] = c;
getchar( );

sum = 0;
for( i=7;i>=0;i-- )
if( !(i-4) ) continue;
else if( ss[ i ] == 'o' && i>4 )
sum += pow( 2 , 7-i );
else if( ss[ i ] =='o' && i<4 )
sum += pow( 2 , 7-i-1);
s[ q++ ] = (char)( sum );
}
for( i=0;i<q;i++)
printf("%c",s[ i ] );
return 0;
}