How to make a student marks in switch statement

Answer 1

int marks;

cin>>marks;

switch(marks){

//cases

default
}

Answer 2

enum class Mark
{
A, B, C
};

Mark mark;
switch (markDependendValue)
{
case a:
{
mark = Mark::A;
break;
}
//...
default:
{
// ...
}

Answer 3

tnx ya

Answer 4

brother how to create a shop menu and user loging
using array function in c++. pls send me the coding