问题标题: 酷町堂：3894

#include<algorithm>
#include<iostream>
#include<string>
#include<cstdio>
#include<cmath>
//#include <windows.h>
using namespace std;
int a[10001],f[10001],mx,mi;
int main(){
//  freopen("AC.in","r",stdin);
//  freopen("AC.out","w",stdout);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        f[i]=a[i]+a[i-1];
        mx=max(f[i],mx);
        mi=min(f[i],mi);
    }
    cout<<mx-mi;
//  fclose(stdin);
//  fclose(stdout);
    return 0;
}

哪错了