链接:http://118.190.20.162/view.page?gpid=T47

代码：

#include<bits/stdc++.h>

using namespace std;

int main (){
    int n,num,ans=0;
    vector<int>ve;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>num;
        ve.push_back(num);
    }
    for(int i=1;i<n;i++){
        ans=max(ans,abs(ve[i]-ve[i-1]));
    }
    cout<<ans;
    return 0;
}