C++(씨쁠쁠)(cplusplus)-백준(baekjoon)(BaekJoon)코딩 10819번:차이를 최대로 답

#include<stdio.h>
#include<algorithm>
using namespace std;
int n, a[8], big, sum;
int main() {
    scanf("%d", &n);
    for (int i = 0; i < n; i++) scanf("%d", &a[i]);
    sort(a, a + n);
    while (next_permutation(a, a + n))
    {
        sum = 0;
        for (int i = 0; i < n - 1; i++) 
            sum += abs(a[i] - a[i + 1]);
        big = max(big, sum);
    } 
    printf("%d", big);
    return 0;
}