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But look at the sample input
2
3
1 2 3
4
1 2 3 3
the result is
NO
YES
if the single element should be YES, the the result should be
YES
YES
NO
YES
YES
right?

Oops i think i misunderstood the test description.
For input
2 -> how many test case will coming
3 -> how many element in the first test case
1 2 3 -> the actual first test case
4 -> how many element in the second test case
1 2 3 4 -> the actual second test case

I thought the 2, 3 and 4 are also test cases :(
But now it's clear to me , thanks #warrior_of_light

## Sherlock and Array

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But look at the sample input

2

3

1 2 3

4

1 2 3 3

the result is

NO

YES

if the single element should be YES, the the result should be

YES

YES

NO

YES

YES

right?

If the given input n (here 3 and 4) is equal to 1, then only we have to print yes.

Oops i think i misunderstood the test description.

For input

2 -> how many test case will coming

3 -> how many element in the first test case

1 2 3 -> the actual first test case

4 -> how many element in the second test case

1 2 3 4 -> the actual second test case

I thought the 2, 3 and 4 are also test cases :(

But now it's clear to me , thanks #warrior_of_light

If n == 1, then definitely answer is YES, for n > 1, you have to check.