580C - Kefa and Park

159599684

159599651

159599613

159598509

While solving 1612C - Chat Ban I found something weird. I have submitted same code with C++14 and C++17,C++20. But it only was accepted with C++17.

C++14 :158761775

C++17 :158762654

C++20 :158762172

I tried to look for the reason online but could not find any.