题解 | #最高分与最低分之差#

#include <stdio.h>

int main()
{
	int n,i,j;
	scanf("%d", &n);
	int grade[10000] = { 0 };
	int tmp = 0;
	for (i = 0; i < n; i++)
	{
		scanf("%d", &grade[i]);
	}
	for (i = 0; i < n; i++)
	{
		for (j = i+1; j < n; j++)
		{
			if (grade[j] < grade[i])
			{
				tmp = grade[i];
				grade[i] = grade[j];
				grade[j] = tmp;
			}
		}
	}
	printf("%d", grade[n - 1]-grade[0]);
}