제출 #90481

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘double CalcDistance(Pos&, Pos&)’:
Main.cpp:42:16: error: ‘sqrt’ was not declared in this scope
   42 |         return sqrt((B.X - A.X) * (B.X - A.X) + (B.Y - A.Y) * (B.Y - A.Y));
      |                ^~~~
Main.cpp: In function ‘double CalcArea(const Triangle&)’:
Main.cpp:53:16: error: ‘sqrt’ was not declared in this scope
   53 |         return sqrt(S * (S - Distance1) * (S - Distance2) * (S - Distance3));
      |                ^~~~