acpc11c.java

import java.io.*;
import java.util.*;

public class acpc11c {
	private static Reader in;
	private static PrintWriter out;
	
	public static void main (String [] args) throws IOException {
		in = new Reader ();
		out = new PrintWriter (System.out, true);
		
		int T = in.nextInt();
		while (T-- > 0) {
			int N = in.nextInt();
			int [] arr = new int [N + 2];
			for (int i = 1; i <= N; i++)
				arr [i] = in.nextInt();
			
			int [] fsum = new int [N + 2];
			for (int i = 1; i <= N; i++)
				fsum [i] = fsum [i - 1] + arr [i];
			
			int [] bsum = new int [N + 2];
			for (int i = N; i >= 1; i--)
				bsum [i] = bsum [i + 1] + arr [i];
			
			int best = Integer.MAX_VALUE;
			for (int i = 1; i <= N; i++) {
				if (2 * fsum [i - 1] + bsum [i + 1] < best)
					best = 2 * fsum [i - 1] + bsum [i + 1];
				if (fsum [i - 1] + 2 * bsum [i + 1] < best)
					best = fsum [i - 1] + 2 * bsum [i + 1];
			}
			
			out.println (best);
		}
		out.close();
		System.exit(0);
	}
	
	static class Reader {
		final private int BUFFER_SIZE = 1 << 16;
		private DataInputStream din;
		private byte [] buffer;
		private int bufferPointer, bytesRead;
		
		public Reader () {
			din = new DataInputStream (System.in);
			buffer = new byte[BUFFER_SIZE];
			bufferPointer = bytesRead = 0;
		}
		
		public Reader (String file_name) throws IOException {
			din = new DataInputStream (new FileInputStream (file_name));
			buffer = new byte[BUFFER_SIZE];
			bufferPointer = bytesRead = 0;
		}
		
		public String readLine () throws IOException {
			byte [] buf = new byte[1024];
			int cnt = 0, c;
			while ((c = read ()) != -1) {
				if (c == '\n')
					break;
				buf[cnt++] = (byte) c;
			}
			return new String (buf, 0, cnt);
		}
		
		public int nextInt () throws IOException {
			int ret = 0;
			byte c = read ();
			while (c <= ' ')
				c = read ();
			boolean neg = (c == '-');
			if (neg)
				c = read ();
			do {
				ret = ret * 10 + c - '0';
			} while ((c = read ()) >= '0' && c <= '9');
			if (neg)
				return -ret;
			return ret;
		}
		
		public long nextLong () throws IOException {
			long ret = 0;
			byte c = read ();
			while (c <= ' ')
				c = read ();
			boolean neg = (c == '-');
			if (neg)
				c = read ();
			do {
				ret = ret * 10 + c - '0';
			} while ((c = read ()) >= '0' && c <= '9');
			if (neg)
				return -ret;
			return ret;
		}
		
		public double nextDouble () throws IOException {
			double ret = 0, div = 1;
			byte c = read ();
			while (c <= ' ')
				c = read ();
			boolean neg = (c == '-');
			if (neg)
				c = read ();
			do {
				ret = ret * 10 + c - '0';
			} while ((c = read ()) >= '0' && c <= '9');
			if (c == '.')
				while ((c = read ()) >= '0' && c <= '9')
					ret += (c - '0') / (div *= 10);
			if (neg)
				return -ret;
			return ret;
		}
		
		private void fillBuffer () throws IOException {
			bytesRead = din.read (buffer, bufferPointer = 0, BUFFER_SIZE);
			if (bytesRead == -1)
				buffer[0] = -1;
		}
		
		private byte read () throws IOException {
			if (bufferPointer == bytesRead)
				fillBuffer ();
			return buffer[bufferPointer++];
		}
		
		public void close () throws IOException {
			if (din == null)
				return;
			din.close ();
		}
	}
}