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23 lines
417 B
Python
23 lines
417 B
Python
n = int(input())
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passengers = []
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valid = True
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for _ in range(n):
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a, b = map(int, input().split())
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if a < b:
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passengers.append((a, b))
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else:
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valid = False
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break
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if valid and passengers:
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t = int(input())
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count = 0
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for a, b in passengers:
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if a <= t <= b:
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count += 1
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print(count)
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else:
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if not valid:
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t = input()
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print("Error")
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