This is B problem from Atcoder beginner contest 161. I wrote this code initially but 2 out of 16 test-cases gave me WA. Then I changed threshold variable from ceil into floor but still 2 test cases gave me WA then I changed threshold into double(no-ceil and no-floor) instead of int but still I’m getting WA in 1 test case. I tried using even ceil and floor with double but still getting stuck.
Can anyone help what test case I’m missing, where am I wrong?