//分数降序排序
void sort(int score[])
{
 int i,j;
 for(i=N-2;i>=0;i--)
 {
  for(j=0;j<=i;j++)
  {
   if(score[j]<score[j+1])
   {
    int temp;
    temp = score[j];
    score[j] = score[j+1];
    score[j+1]=temp;                 
   }                
  }                  
 }
 printScore(score);    
}