AcWing每日一题--最大波动

https://www.acwing.com/problem/content/3235/

水题。

#include<iostream>
#include<cmath>
using namespace std;
int main(void){
    int n;
    cin>>n;
    int res=0,pre=0x3f3f3f3f;
    for(int i=0;i<n;i++){
        int t;
        cin>>t;
        if(pre!=0x3f3f3f3f)
            res=max(res,abs(t-pre));
        pre=t;
    }
    cout<<res;
    return 0;
}