14 lines
232 B
Python
14 lines
232 B
Python
TC = int(input())
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for _ in range(TC):
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S = 0
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T = {}
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N = int(input())
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for _ in range(N):
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p, q = input().split()
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if q in T:
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T[q] += 1
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else:
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T[q] = 1
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for i in range()
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