CCF_201612-1_最大波动

http://115.28.138.223/view.page?gpid=T47

水。

#include<iostream>
#include<cstring>
#include<cstdio>
#include<algorithm>
#include<cmath>
using namespace std;

int a[];

int main()
{
    int n;
    scanf("%d",&n);
    for(int i = ;i <= n;i++)   scanf("%d",&a[i]);
    int maxx = ;
    for(int i = ;i <= n;i++)   maxx = max(maxx,abs(a[i]-a[i-]));
    printf("%d\n",maxx);
    return ;
}