What should be the datatype of discriminant value and if we are using double then how to remove after decimal places to get the correct answer

#1

The datatype for the discriminant value should be double or int because when using double the answer will be with decimal points and when i will type cast this. to int I’m having on test case wrong???

https://online.codingblocks.com/app/player/189797/content/183818/4699/code-challenge

#2

please share your code after saving it on ide.codingblocks.com