摘要：
1 #include 2 double c[3050] ; 3 int main() 4 { 5 int t , n ; 6 double c1 =0, a0,am; 7 scanf("%d",&t) ; 8 while(t--) 9 {10 c1= 0 ;11 int k = 0 , i ,j ;12 scanf("%d%lf%lf",&n,&a0,&am) ;13 while(k < n)14 {scanf("%lf",&c[k]) ;k++;}15 for(i = 0 ;i < 阅读全文