C++ Program to Calculate Grade of Student || C++ Program to Find Grade of Student

 C++ Program to Calculate Grade of Student:

C++ Program to Find Grade of Student:

C++ programs:

Calculate Grade of Student:

Source code:

// C++ Program to Find Grade of Student

#include<iostream>

/*  iostream provides basic

input and output services for C++ programs */

using namespace std;

int main()

// Th execution of program start with the main function 

{

int i;

//Variable Declarations specify the type followed by the name

//Initialization is the process of assign the value to a variable

    float mark, sum=0, avg;

    cout<<"Enter Marks obtained in 5 Subjects: ";

// cout is used to display the same statement in the output.

    for(i=0; i<5; i++)// For Loop

    {

        cin>>mark;

        sum = sum+mark;

    }

    avg = sum/5;

    cout<<"\nGrade = ";

    if(avg>=91 && avg<=100)

/* if else statement Use if to specify

a block of code to be executed,

if a specified condition is true. */

        cout<<"A+";

    else if(avg>=81 && avg<91)

/* Use else if to specify a new condition to test,

if the first condition is false.*/

        cout<<"A";

    else if(avg>=71 && avg<81)

        cout<<"B+";

    else if(avg>=61 && avg<71)

        cout<<"B";

    else if(avg>=51 && avg<61)

        cout<<"C+";

    else if(avg>=41 && avg<51)

        cout<<"C";

    else if(avg>=33 && avg<41)

        cout<<"D";

    else if(avg>=21 && avg<33)

        cout<<"E+";

    else if(avg>=0 && avg<21)

        cout<<"E";

    else 

/* Use else to specify a block of code to be executed,

if the same condition is false.*/

        cout<<"Invalid!";

    cout<<endl;

    return 0;

}