hdu 1003 最大连续子串

#include <bits/stdc++.h>
#define PI acos(-1.0)
#define mem(a,b) memset((a),b,sizeof(a))
#define TS printf("!!!\n")
#define pb push_back
//std::ios::sync_with_stdio(false);
using namespace std;
//priority_queue<int,vector<int>,greater<int>> que;
const double EPS = 1.0e-8;
typedef pair<int, int> pairint;
typedef long long ll;
typedef unsigned long long ull;
const int  maxn = 1e5 + 100;
const int  maxm = 300;
//next_permutation
priority_queue<int, vector<int>, greater<int>> que;
int number[200005];
int dp[200005];
int main()
{
        //freopen("in.txt", "r", stdin);
        int time ;
        cin >> time;
        while(time--)
        {
        int maxn=-1;
        dp[0]=0;
        int n;
        cin >> n;
        for(int i=1;i<=n;i++)
        {
                cin >>number[i];
                dp[i]=dp[i-1]+number[i];
                maxn=max(maxn,dp[i]);
                if(dp[i]<0)
                dp[i]=0;
        }
        cout<<maxn<<endl;
        }
}