helpp giúp mình vời

#include <bits/stdc++.h>
using namespace std;
long long a[1000005], n, dp[10000005], mx = 0;
int main()
{
    cin >> n;
    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i];
    }
    for (int i = 1; i <= n; ++i)
    {
        if (a[i] % 3 != 0)
        {
            dp[i] = (i > 0 ? dp[i - 1] : 0) + a[i];
        }
        else 
        {
            dp[i] = 0;
        }
        if (dp[i] > mx)
        {
            mx = dp[i];
        }
    }
    cout << mx;
}

#include <bits/stdc++.h>
using namespace std;
int main() {
long long n,m=0,c=0;
cin>>n;
vector<long long>a(n);
for (int i=0;i<n;++i) {
cin>>a[i];
if (a[i]%3!=0) {
c+=a[i];
} else {
c=0;
}
m=max(m,c);
}
cout<<m;
return 0;
}