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添加 0977.有序数组的平方.md C语言版本

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ArthurP
2021-09-02 12:33:00 +08:00
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problems/0977.有序数组的平方.md
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@ -270,7 +270,38 @@ def sorted_squares(nums)
end
```
C:
```c
int* sortedSquares(int* nums, int numsSize, int* returnSize){
//返回的数组大小就是原数组大小
*returnSize = numsSize;
//创建两个指针，right指向数组最后一位元素，left指向数组第一位元素
int right = numsSize - 1;
int left = 0;
//最后要返回的结果数组
int* ans = (int*)malloc(sizeof(int) * numsSize);
int index;
for(index = numsSize - 1; index >= 0; index--) {
//左指针指向元素的平方
int lSquare = nums[left] * nums[left];
//右指针指向元素的平方
int rSquare = nums[right] * nums[right];
//若左指针指向元素平方比右指针指向元素平方大，将左指针指向元素平方放入结果数组。左指针右移一位
if(lSquare > rSquare) {
ans[index] = lSquare;
left++;
}
//若右指针指向元素平方比左指针指向元素平方大，将右指针指向元素平方放入结果数组。右指针左移一位
else {
ans[index] = rSquare;
right--;
}
}
//返回结果数组
return ans;
}
```
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