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這是mergeSort的代碼,這會給第53行和第54行(mergeSort(l,m);和mergeSort(m,h);) 任何幫助將被視爲非常有價值,請幫助我,我無能爲力,謝謝。MergeSort給出StackOverflow錯誤
package codejam;
public class vector {
static int[] a;
static int[] b;
public static void main(String[] args) {
int[] a1 = {12,33,2,1};
int[] b1 = {12,333,11,1};
mergeSort(0,a1.length);
a1=b1;
mergeSort(0,b1.length);
for (int i = 0; i < a1.length; i++) {
System.out.println(a[i]);
}
}
public static void merge(int l,int m,int h) {
int n1=m-l+1;
int n2 = h-m+1;
int[] left = new int[n1];
int[] right = new int[n2];
int k=l;
for (int i = 0; i < n1 ; i++) {
left[i] = a[k];
k++;
}
for (int i = 0; i < n2; i++) {
right[i] = a[k];
k++;
}
left[n1] = 100000000;
right[n1] = 10000000;
int i=0,j=0;
for (k =l ; k < h; k++) {
if(left[i]>=right[j])
{
a[k] = right[j];
j++;
}
else
{
a[k] = left[i];
i++;
}
}
}
public static void mergeSort(int l,int h) {
int m =(l+h)/2;
if(l<h)
{
mergeSort(l,m);
mergeSort(m,h);
merge(l,m,h);;
}
}
}