题解 | #最高分与最低分之差#

int main()
{
    int arr[100] = { 0 };
    int n = 0;
    scanf("%d", &n);
    int i = 0;
    for( i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
    }
    int max = arr[0];
    int min = arr[0];
    for(i = 0; i < n; i++)
    {
        if(max < arr[i])
        {
            max = arr[i];
        }
    }
    for(i = 0; i < n; i++)
    {
        if(min > arr[i])
        {
            min = arr[i];
        }
    }
    printf("%d\n", max - min);
    return 0;
}