题解 | 最大的差

#include <stdio.h>
int main()
{
	int n = 0;
	long long int ret = 0;
	scanf("%d", &n);
	if (n <= 0)
	{
		printf("输入的数量不能为0或负数\n");
		return 1;
	}
	long long int arr[100000] = { 0 };
	for (int i = 0; i < n; i++)
	{
		scanf("%lld", &arr[i]);
	}
	int max=arr[0];
	int min = arr[0];
	for (int i = 0; i < n; i++)
	{
		if (max < arr[i])
		{
			max = arr[i];
		}
	}
	for (int i = 0; i < n; i++)
	{
		if (min > arr[i])
		{
			min = arr[i];
		}
	}
	ret = max - min;
	printf("%lld", ret);
	return 0;
}