Weak Test Cases in CHEFWARS (AUG20B)

To many weak case in CHEFWARS (AUG20B)
In this solution https://www.codechef.com/viewsolution/36850379 (very simple solution just 2*p>=h then output is 1 else 0.

like tc as,
1
9 5
it should be 0
but solution answer was 1 because of weak cases