Write a progrma analysis by looking at coded above (language c++)

Question

 #include <iostream> #include <iomanip> using namespace std;  void displayGrade(int); void outstanding (int); void satisfactory (int); void unsatisfactory (int);  int main() {    const int SENTINEL = -99;        int score, sum = 0, count = 0, outstanding = 0, satisfactory = 0, unsatisfactory =0;                                                                  double average;                            cout <<"Assignment 16 by " << endl << endl;    cout << "Enter scores one at a time as requested." << endl;    cout << "When done, enter " << SENTINEL << " to finish entering scores." << endl;    cout << "Enter the first score: ";    cin >> score;    while (score != SENTINEL)    {       sum += score;       count++;       displayGrade(score);        cout << endl<< "Enter the next score: ";       cin >> score;           if (score >= 90)  {           outstanding = score >= 90;         outstanding++;     } else if (score >=60){ satisfactory = score >= 60; satisfactory++; } else { unsatisfactory =score <=59; unsatisfactory++; }    }      cout << endl << endl;     cout << "Number of scores processed is " << count << endl;    cout << "Sum of exam scores is " << sum << endl;         cout << "The number of Outstanding scores is: " << outstanding << endl;         cout << "The number of Satisfactory scores is: " << satisfactory << endl;         cout << "The number of Unsatisfactory scores is: " << unsatisfactory << endl;    if (count > 0)    {       average = sum / count;       cout << "Average score is " << average << endl;    }     return 0; }     void displayGrade(int score) {    if (score >= 90)            cout << "Grade is A" << endl;    else if (score >= 80)            cout << "Grade is B" << endl;    else if (score >= 70)            cout << "Grade is C" << endl;    else if (score >= 60)            cout << "Grade is D" << endl;    else            cout << "Grade is F" << endl; } 

 
Program Inputs:
Program Outputs:
Program Algorithm:
Program Test Plan:
Program Test Results:
Functions
(Repeat this section for each of your functions). Provide the function prototype here.
Function Analysis:
Function Preconditions and Post Conditions:
Function Inputs and Outputs:
Function formulas:
Function Algorithm:

Explanation / Answer

Program Inputs : Program requires user to enter the series of scores (integer numbers), and requires user to enter -99 to stop entering the scores.

Program Outputs: Program outputs the average of all the scores that a user enters and displays the values of outstanding,satisfactory as 2 if any of the scores crosses 90,60 respectiively otherwise displays 0.

If any of the scores is less than 60 then the system displays a value of 2 otherwise it displays 0.

The program also display the grade for each score.

It Displays Grade A if the scores fall between 90 and 100.

It Displays Grade B if the scores fall between 80 and 89.

It Displays Grade C if the scores fall between 70 and 79.

It Displays Grade D if the scores fall between 60 and 69.

It displays Grade F if the scores are less than 60.

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