Turns out that it *was not* a Runtime Error. Thanks to @porker2008 I was
able to fix my answer by first sorting the activities. Apparently "Case #3:
CJJCC" is not a valid alternative for "Case #3: JCCJJ".
On Tuesday, 7 April 2020 02:44:08 UTC+2, eegee wrote:
>
> I keep getting a RE (Runtime Error) for my solution on "Parenting
> Partnering Returns". It passes the test case, but fails for the submission.
> It is quite frustrating not knowing what the issue is. I spent an
> inordinate amount of time trying to get the first solution submitted since
> it also had RE that turned out to be a missing import statement.
>
> My proposed solution:
>
> def no_clash(person, activity_start, activity_end):
> for person_start, person_end in person:
> if activity_start < person_end < activity_end:
> return False
> if activity_start < person_start < activity_end:
> return False
> if activity_start <= person_start < person_end <= activity_end:
> return False
> if person_start <= activity_start < activity_end <= person_end:
> return False
> return True
>
>
> for case in range(int(input())):
> answer = ""
> cameron = []
> jamie = []
> for activity in range(int(input())):
> start, end = map(int, input().split())
> if no_clash(cameron, start, end):
> cameron.append((start, end))
> answer += "C"
> elif no_clash(jamie, start, end):
> jamie.append((start, end))
> answer += "J"
> else:
> answer = "IMPOSSIBLE"
> break
>
> print("Case #{}: {}".format(case + 1, answer))
>
>
> Test input:
>
> 4
> 3
> 360 480
> 420 540
> 600 660
> 3
> 0 1440
> 1 3
> 2 4
> 5
> 99 150
> 1 100
> 100 301
> 2 5
> 150 250
> 2
> 0 720
> 720 1440
>
>
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