exp2.cpp

#include <bits/stdc++.h>
using namespace std;
int fround(float x)
{
    int a;
    x = x + 0.5;
    a = x;
    return (a);
}
void calculate(float table[][4], int n, char mode[][15],
               int size)
{
    float effort, time, staff;
    int model;
    if (size >= 2 && size <= 50)
        model = 0; // organic
    else if (size > 50 && size <= 300)
        model = 1; // semi-detached
    else if (size > 300)
        model = 2; // embedded
    cout << "The mode is " << mode[model];
    effort = table[model][0] * pow(size, table[model][1]);
    time = table[model][2] * pow(effort, table[model][3]);
    staff = effort / time;
    cout << "\nEffort = " << effort << " Person-Month";
    cout << "\nDevelopment Time = " << time << " Months";
    cout << "\nAverage Staff Required = " << fround(staff)
         << " Persons";
}
int main()
{
    float table[3][4] = {2.4, 1.05, 2.5, 0.38, 3.0, 1.12,
                         2.5, 0.35, 3.6, 1.20, 2.5, 0.32};
    char mode[][15] = {"Organic", "Semi-Detached", "Embedded"};
    int size;
    cout << "Enter size of software: ";
    cin >> size;
    calculate(table, 3, mode, size);
    return 0;
}