求絕對值最大值

Problem Description

Input

Output

Example Input

5
-1 2 3 4 -5

Example Output

-5

Hint

Author

參考程式碼

#include <stdio.h>
#include <math.h>
int main()
{
    int n;
    int num;
    int max = 0;
    int i;
    scanf("%d",&n);
    for(i = 0; i < n; i++)
    {
        scanf("%d",&num);
        if(abs(max) < abs(num))
            max = num;
    }
    printf("%d\n",max);
    return 0;
}