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这题能用递归做吗,请牛人指点下哪错了#include<iostream.h>
int a[16];
void Sort(int *,int);
int find(int,int);
void main(){
int num,s,n,i,j,sum;
cin>>num;
for(i=0;i<num;i++){
cin>>s>>n;
sum=0;
for(j=0;j<16;j++) a[j]=0;
for(j=0;j<n;j++){
cin>>a[j];
sum=a[j]*a[j]+sum;
if(a[j]==1) a[j]=0;
}
Sort(a,16);
if((find(s,s)==1)&&(sum==(s*s))) cout<<"KHOOOOB!"<<endl;
else cout<<"HUTUTU!"<<endl;
}
}
int find(int s1,int s2){
int s,i,j,s3,r=0;
if(s1>s2) s=s2;
else s=s1;
for(i=0;i<16;i++){
if((s>=a[i])&&(a[i]!=0)){
s3=a[i];
for(j=i;j<15;j++) a[j]=a[j+1];
a[15]=0;
i=15;
r=1;
}
}
if(r==0) return 0;
if(a[0]==0) return 1;
if(s3!=s1){if(find(s1-s3,s2)==1) return 1;}
if(s3!=s2){if(find(s2-s3,s1)==1) return 1;}
if((s3!=s1)&&(s3!=s2)){if(find(s2-s3,s1-s3)==1) return 1;}
return 0;
}
void Sort(int* a, int dimension)
{
int i,j;
int tmp;
for (i=0; i<dimension-1; i++)
{
for (j=i+1; j<dimension; j++)
{
if (a[i] < a[j]) { tmp=a[i]; a[i]=a[j]; a[j]=tmp;}
}
}
}
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