Maybe by the magic tab in the profile setting

**Yes , HR should improve their end testcases, it is not fair that naive solution can pass all testcases in 5th problem.

It was a great contest, it is an excellent challenge for be faster!!

Do You know if in ICPC regional judge answer is after running all test cases, or they only run until a testcase where it fails?

If you are in a jump n : You need to check if exist a polygon with sides of length jump[ 0 ] ,jump[ 1 ] , ...jump[ n] and the side with length x.

So your answer is the minimum value of n.

Yes , I solved it sorting in decreasing way.