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# [Solution] Dominant Element CodeChef Solution

Problem

You are given an array $A$ of length $N$. An element $X$ is said to be dominant if the frequency of $X$ in $A$ is strictly greater than the frequency of any other element in the $A$.

For example, if $A = [2, 1, 4, 4, 4]$ then $4$ is a dominant element since its frequency is higher than the frequency of any other element in $A$.

Find if there exists any dominant element in $A$.

### Input Format

• The first line of input contains a single integer $T$ — the number of test cases. Then the test cases follow.
• The first line of each test case contains an integer $N$ — the size of the array $A$.
• The second line of each test case contains $N$ space-separated integers $A_1, A_2, \ldots, A_N$ denoting the array $A$.

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### Output Format

For each test case, output YES if there exists any dominant element in $A$. Otherwise, output NO.

You may print each character of YES and NO in uppercase or lowercase (for example, yesyEsYes will be considered identical).

### Explanation:

Test case $1$: $2$ is the dominant element.

Test case $2$: There does not exist any dominant element.

Test case $3$: $3$ is the dominant element.