合并排序问题:超出最大调用堆栈,避免无限递归
由于错误而无法获得终端输出: 未捕获的范围错误:超出最大调用堆栈大小。
试图在 stackoverflow 上查看类似的问题, 像这样 合并排序中超出最大调用堆栈大小并添加可能停止无限递归的条件。
还是没能解决问题。希望能找到答案。
const unsortedArray = [1, 10, 5, 8, 7, 6, 4, 3, 2, 9];
const sortedArray = Array(unsortedArray.length);
function sort(unsortedArray, start, middle, end) {
let i= start;
let j= middle;
let k= start;
while(i < middle && j <= end) {
if(unsortedArray[i]<=unsortedArray[j]) {
sortedArray[k] = unsortedArray[i];
i++
} else {
sortedArray[k] = unsortedArray[j];
j++;
}
k++
}
if (i >= middle) {
while(j<= end) {
sortedArray[k] = unsortedArray[j];
j++;
k++;
}
} else if (j >= end) {
while (i <= middle) {
sortedArray[k] = unsortedArray[i];
i++;
k++;
}
}
}
function splitMerge(unsortedArray, start, end) {
if(end>start) {
middle = Math.floor((start + end)/2);
splitMerge(unsortedArray, start, middle);
splitMerge(unsortedArray, middle, end);
sort(unsortedArray, start , middle, end);
}
return sortedArray;
}
const showResult = splitMerge(unsortedArray, 0, unsortedArray.length-1);
console.log(showResult);
Unable to get a terminal output because of error:
Uncaught RangeError: Maximum call stack size exceeded.
Tried to look at similar questions on stackoverflow,
like this Maximum call stack size exceeded in merge sort and added conditionals to possibly stop infinite recursion.
Still couldn't fix the problem. Hopefully looking for an answer.
const unsortedArray = [1, 10, 5, 8, 7, 6, 4, 3, 2, 9];
const sortedArray = Array(unsortedArray.length);
function sort(unsortedArray, start, middle, end) {
let i= start;
let j= middle;
let k= start;
while(i < middle && j <= end) {
if(unsortedArray[i]<=unsortedArray[j]) {
sortedArray[k] = unsortedArray[i];
i++
} else {
sortedArray[k] = unsortedArray[j];
j++;
}
k++
}
if (i >= middle) {
while(j<= end) {
sortedArray[k] = unsortedArray[j];
j++;
k++;
}
} else if (j >= end) {
while (i <= middle) {
sortedArray[k] = unsortedArray[i];
i++;
k++;
}
}
}
function splitMerge(unsortedArray, start, end) {
if(end>start) {
middle = Math.floor((start + end)/2);
splitMerge(unsortedArray, start, middle);
splitMerge(unsortedArray, middle, end);
sort(unsortedArray, start , middle, end);
}
return sortedArray;
}
const showResult = splitMerge(unsortedArray, 0, unsortedArray.length-1);
console.log(showResult);
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