Where is the mistake? (problem D)

Правка en1, от Utsa2000, 2021-05-05 22:11:33

Someone hacked my solution of problem D. Now it says WA. But I can't find any mistake. Please help me to find the mistake. My submission: https://codeforces.com/contest/1520/submission/115269582

История

 
 
 
 
Правки
 
 
  Rev. Язык Кто Когда Δ Комментарий
en1 Английский Utsa2000 2021-05-05 22:11:33 227 Initial revision (published)