15 lines
307 B
Python
15 lines
307 B
Python
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t = int(input())
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for _ in range(t):
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count = int(input())
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weights = [int(x) for x in input().split(" ")]
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if count % 2 != 0 and min(weights) == max(weights):
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print("NO")
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continue
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elif sum(weights) % 2 != 0:
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print("NO")
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continue
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else:
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print("YES")
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