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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?
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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?