交换数字
int* swapNumbers(int* numbers, int numbersSize, int* returnSize){
numbers[0]^=numbers[1];
numbers[1]^=numbers[0];
numbers[0]^=numbers[1];
*returnSize=numbersSize;
return numbers;
}

交换数字
int* swapNumbers(int* numbers, int numbersSize, int* returnSize){
numbers[0]^=numbers[1];
numbers[1]^=numbers[0];
numbers[0]^=numbers[1];
*returnSize=numbersSize;
return numbers;
}