24 lines
510 B
Python
24 lines
510 B
Python
import sys
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sys.stdin = open("input.txt", "r")
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sys.stdout = open("output.txt", "w")
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test_num = int(input())
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for test in range(test_num):
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b = 'NO'
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n = int(input())
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a = list(map(int, input().split()))
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if n == 1:
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b = 'YES'
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elif n == 2:
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b = 'NO'
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else:
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left = 0
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right = sum(a[1:])
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for i in range(1, n-1):
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left += a[i - 1]
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right -= a[i]
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if left == right:
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b = 'YES'
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break
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print(b) |