for _ in range(int(input())):
n = int(input())
a = list(map(int , input().split()))
jeste = False
c = 0
for i in a:
if i == 0:
jeste = True
else:
c += 1
if jeste or len(set(a)) != len(a):
print(c)
else:
print(c+1)1131F - Asya And Kittens | 1475F - Unusual Matrix |
133B - Unary | 1547A - Shortest Path with Obstacle |
624A - Save Luke | 1238A - Prime Subtraction |
1107C - Brutality | 1391B - Fix You |
988B - Substrings Sort | 312A - Whose sentence is it |
513A - Game | 1711E - XOR Triangle |
688A - Opponents | 20C - Dijkstra |
1627D - Not Adding | 893B - Beautiful Divisors |
864B - Polycarp and Letters | 1088A - Ehab and another construction problem |
1177B - Digits Sequence (Hard Edition) | 1155B - Game with Telephone Numbers |
1284A - New Year and Naming | 863B - Kayaking |
1395B - Boboniu Plays Chess | 1475D - Cleaning the Phone |
617B - Chocolate | 1051B - Relatively Prime Pairs |
95B - Lucky Numbers | 1692D - The Clock |
1553D - Backspace | 1670D - Very Suspicious |