24 lines
409 B
Python
24 lines
409 B
Python
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def main():
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ct = int(input())
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for i in range(ct):
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input()
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a = [int(b) for b in input().split()]
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b = {}
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for c in a:
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if c not in b:
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b[c] = 0
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b[c] += 1
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d = [(e, b[e]) for e in b]
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d.sort(key=lambda x: x[1], reverse=True)
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oth = len(a)-d[0][1]
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print(max(d[0][1] - oth, len(a)%2))
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main()
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