Deprecated: Implicit conversion from float 2.99 to int loses precision in /in/DQQ25 on line 4
string(1) "C"
Deprecated: Implicit conversion from float -0.010000000000000009 to int loses precision in /in/DQQ25 on line 4
string(1) "A"
Deprecated: Implicit conversion from float 3.99 to int loses precision in /in/DQQ25 on line 4
string(1) "D"
string(1) "F"
string(1) "F"