练62.1 矩形的下三角

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	jike1994	32ms	760 KiB	C++14(O2)	349 Bytes	2025-7-14 11:35:28
AC	张天源	34ms	792 KiB	C++14(O2)	406 Bytes	2025-8-13 15:32:27
AC	方一帆	34ms	760 KiB	C++14(O2)	328 Bytes	2025-9-14 11:22:35
AC	许皓辰	36ms	792 KiB	C++14(O2)	300 Bytes	2025-8-27 13:54:00