Hidden test cases of the codechef september 20 cook off were very weak.
On problem https://www.codechef.com/COOK122B/problems/BULBS.
if the test case is
Then must of the accepted submissions gives the output 9.
But its correct output should be 8.
We need to cut (2-3) and (12-13) wire and then disconnect 4, 5, 6, 7, 9, 10, 11, 12 bulbs.
One of the submissions that was incorrect and got accepted is https://www.codechef.com/viewsolution/38071771.
This was the random person i don’t know.
I got stuck to fix this test case and my cook off got ruined.
How can this much important test case can be missed by the setters.
This contest should be unrated for all.