What is the error

#1

my testcase 0 is running and other testcase are showing exclamation marks
here is my code

#2

no code present in link

check the link and share the correct one

#3
#4

Modified Code

there is no mistake in your code
only change you have to done is make size of array according to constraints

Constraints

1 <= T <= 100
1 <= N <= 1000
0 <= Ai <= 9

make size of array atleast 10^3