Write a program to grade your score using if/else method in C++.
#include<iostream>
using namespace std;
int main(){
int n;
cout<<"Enter your marks(out of 100) : ";
cin>>n;
cout<<"Your grade is ";
if(n>=90)cout<<"A";
else if(n>=75)cout<<"B";
else if(n>=65)cout<<"C";
else if(n>=50)cout<<"D";
else if(n>=35)cout<<"E";
else cout<<"F";
return 0;
}

The same program can be implemented using switch statement
#include<iostream>
using namespace std;
int main(){
int n;
cout<<"Enter your marks(out of 100) : ";
cin>>n;
cout<<"Your grade is ";
switch(n/10){
case 10:
case 9 : cout<<"A";break;
case 8 :
case 7 : cout<<"B";break;
case 6 : cout<<"C";break;
case 5 : cout<<"D";break;
case 4 : cout<<"E";break;
case 3 :
case 2 :
case 1 :
case 0 : cout<<"F";break;
default : cout<<"Number is not in range";
}
}
