t = int(input())
for i in range(t):
e = int(input())
d = input()
d = d.split(' ')
d.sort()
e = int(d[len(d)-1])
if e%2==0:
print(e)
else:
print(e+1)1323. Maximum 69 Number | 832. Flipping an Image |
1295. Find Numbers with Even Number of Digits | 1704. Determine if String Halves Are Alike |
1732. Find the Highest Altitude | 709. To Lower Case |
1688. Count of Matches in Tournament | 1684. Count the Number of Consistent Strings |
1588. Sum of All Odd Length Subarrays | 1662. Check If Two String Arrays are Equivalent |
1832. Check if the Sentence Is Pangram | 1678. Goal Parser Interpretation |
1389. Create Target Array in the Given Order | 1313. Decompress Run-Length Encoded List |
1281. Subtract the Product and Sum of Digits of an Integer | 1342. Number of Steps to Reduce a Number to Zero |
1528. Shuffle String | 1365. How Many Numbers Are Smaller Than the Current Number |
771. Jewels and Stones | 1512. Number of Good Pairs |
672. Richest Customer Wealth | 1470. Shuffle the Array |
1431. Kids With the Greatest Number of Candies | 1480. Running Sum of 1d Array |
682. Baseball Game | 496. Next Greater Element I |
232. Implement Queue using Stacks | 844. Backspace String Compare |
20. Valid Parentheses | 746. Min Cost Climbing Stairs |