public class Interpolation_search {
public static void main(String...s) {
int rr[]= {1,2,3,4,9,10,15,80};
System.out.println(search(rr,0,7,3));
}
static int search(int ar[], int lo, int hi,int X) {
if(lo<hi&&ar[lo]!=ar[hi]) {
int mid=lo + ((hi-lo)/(ar[hi]-ar[lo]))*(X-ar[lo]);
if(X==ar[mid])
return 1; //l1
else if(X>ar[mid])
search(ar,mid+1,hi,X);
else search(ar,lo,mid-1,X);
}
return 0; //l2
}
}
return 首先在 l1 执行两次,第二次在 l2 执行。
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