score.cpp

#include<iostream>

using namespace std;

void getScore(int &a){
    cout<<"Enter score(0-100): ";
    cin>>a;
    cout<<"You entered: "<<a<<endl;
}

void printGrade(int a){
    if(a>=0 && a<=59){
        cout<<"Grade F\n";
    }else if(a>=60 && a<=69){
        cout<<"Grade D\n";
    }else if(a>=70 && a<=79){
        cout<<"Grade C\n";
    }else if(a>=80 && a<=89){
        cout<<"Grade B\n";
    }else if(a>=90 && a<=100){
        cout<<"Grade A\n";
    }
}

int main(){
    int score;
    getScore(score);
    printGrade(score);
    return 0;
}