Re: Ask for program

On Tuesday, May 14, 2013 9:50:10 AM UTC+8, anew...@gmail.com wrote:


here is my codes..would u help me where should i put the pointer?

#include <iostream>
#include <string>
#include <iomanip>
#include <cmath>
#include <windows.h>
using namespace std;

const int maxUser = 100;
float w, healthyw, h, BMI, newBMI;
string BMI_description;
char name[maxUser][50];
char description_BMI[7][50]={"severely underweight","underweight","normal=
","overweight","obese","clinically obese","morbidly obese"};
float userDetail[maxUser][2];
int playNum;

void intro();
void menu();
void inputhw();
void formula();
void category();
void desc();
void healthy();
void table();
void ask();
//void credit();
void AllUsers();

int main()
{ system("color 5a");
    intro();
    menu();

    system ("pause");
    return 0;
}

void intro()
{
    int x;

    cout<< "\n ----BMI.CALCULATOR----"<< endl;

    cout << "\n\nEnter your name: ";
    cin >> name[++playNum];

    cout << "\a\a";
    system("cls");
}

void menu()
{
    string opt;

    system("cls");

    cout << "\t\t\tM.E.N.U\n\n"<< endl;
    cout <<"[1]: Calculate your BMI."<< endl;
    cout <<"[2]: Show BMI table."<< endl;
   // cout <<"[3]: View credits." << endl;
    cout <<"[4]: View all users." << endl;
    cout <<"[5]: Logout." << endl;
    cout << name[playNum] << ", please enter your option: ";

    do
    {
        cin >> opt;

        try
        {
            if(opt.length() > 1 || opt[0] < '1' || opt[0] > '5')
                throw opt;
        }
        catch(string opt)
        {
            cout << opt << " is invalid option. Please re-enter: ";
        }
    }
    while(opt.length() > 1 || opt[0] < '1' || opt[0] > '5');

    cout << "\a\a\a";
    system("cls");

    switch(opt[0])
    {
        case '1' : inputhw();break;
        case '2' : table();break;
        //case '3' : credit();break;
        case '4' : AllUsers();break;
        default : main();
    }
}

void inputhw()
{
    cout << "Input your weight (in kg): ";
    do
    {
        cin >> w;
        if (w<0 || w>=600) // must not exceed 600 because the weightest m=
an in the world is 555kg only)
            cout << "Invalid weight. " << name[playNum] << ", please enter =
your weight again (in kg): ";
    }
    while(w<0 || w>=600);

    cout << "Input your height (in meter): ";

    do
    {
        cin >> h;
        if (h<0 || h>3) // must not exceed 3 because the tallest man in the=
 world is 2.72)
            cout << "Invalid height. " << name[playNum] << ", please enter =
your height again (in meter): ";
    }
    while(h<0 || h>3);

    BMI=w/pow(h,2);

    cout << "\a\a\a";
    system("cls");
    category();
}

void formula()
{
    newBMI=healthyw/pow(h,2);
}

void category()
{
    char ans;

    userDetail[playNum][0] = BMI;

    if (BMI < 16.5)
        userDetail[playNum][1] = 0;

    else if (BMI >= 16.5 && BMI < 18.5)
        userDetail[playNum][1] = 1;

    else if (BMI >= 18.5 && BMI < 25)
        userDetail[playNum][1] = 2;

    else if (BMI >= 25 && BMI <= 30)
        userDetail[playNum][1] = 3;

    else if (BMI > 30 && BMI <= 35)
        userDetail[playNum][1] = 4;

    else if (BMI > 35 && BMI <= 40)
        userDetail[playNum][1] = 5;

    else
        userDetail[playNum][1] = 6;

    BMI_description = description_BMI[int(userDetail[playNum][1])];

    cout << fixed << setprecision(2) << name[playNum] <<", you are " << BMI=
_description << "\nYour BMI is "<< BMI << "." << endl;

    desc();
    healthy();
    ask();
}

void healthy()
{
    int x;
    healthyw=w;
    if (BMI<18.5)
    {
        do
        {
            healthyw++;
            formula();
        }
        while(newBMI<18.5);

        cout<<"\n\nYou should increase your weight becoming at least:\n"<<i=
nt(healthyw)<<"kg"<<endl;
    }
    else if (BMI>=25)
    {
        do
        {
            healthyw--;
            formula();
        }
        while(newBMI>=25);

        cout<<"\n\nYou should decrease your weight becoming at least:\n"<<i=
nt(healthyw)<<"kg"<<endl;
    }
}

void table()
{
    cout <<" THE BMI TABLE"<< endl;
    cout <<" _____________________________________________________________"=
<<endl;
    cout <<"| BMI | Rating | Waist Size |=
"<<endl;
    cout <<"|_________|________________|__________________________________|=
"<<endl;
    cout <<"| | | < or = to | > or = to =
   |"<<endl;
    cout <<"| | | 40 in. (men) or | 40 in. (men) or|=
"<<endl;
    cout <<"| | | 35 in. (women) | 35 in. (women) |=
"<<endl;
    cout <<"| | | | |=
"<<endl;
    cout <<"| | | | |=
"<<endl;
    cout <<"| <=18.5 | Underweight | -- | N/A =
 |"<<endl;
    cout <<"|18.5-24.9| Normal Weight | -- | N/A |=
"<<endl;
    cout <<"|25.0-25.9| Overweight | Increased | High |=
"<<endl;
    cout <<"|30.0-34.9| Obese | High | Very High |=
"<<endl;
    cout <<"|35.0-39.9| Obese | Very High | Very High |=
"<<endl;
    cout <<"| >=40 | Extremely Obese| Extremely High | Extremely High=
 |"<<endl;
    cout <<"|_________|________________|_________________|________________|=
"<<endl;
    ask();
}

void desc()
{
    if (BMI <= 18.5)
    {
        cout << "\n\nBMI is equal to or less than 18.5 (Underweight)\n";
        cout << "_________________________________________________" << endl=
;
        cout << "\nA lean BMI can indicate that your weight maybe too low. =
You should consult your physician to determine if you should gain weight,as=
 low body mass can decrease your body's immune system, which could lead to =
ilness."<< endl;
    }

    else if (BMI>=18.5 && BMI<=24.9)
    {
        cout << "\n\nBMI is between 18.5 and 24.9 (Normal)\n";
        cout << "_________________________________________________" << endl=
;
        cout << "People whose BMI is within 18.5 to 24.9 possess the ideal =
amount of body weight, associated with living longest, the lowest incidence=
 of serious ilness, as well as being perceived as more physically attractiv=
e than people with BMI in higher or lower ranges."<<endl;
    }

    else if (BMI>=25 && BMI<=29.9)
    {
        cout << "\n\nBMI is between 25 and 29.9 (Overweight)\n";
        cout << "_________________________________________________" << endl=
;
        cout << "People falling in this BMI range are considered overweight=
 and would benefit from finding healthy ways to lower their weight, such as=
 diet and exercise. Individuals who fall in this range are at increased ris=
k for a variety of ilnesses."<< endl;
    }

    else if (BMI>=30)
    {
        cout << "\n\nBMI is over 30 (Obese)\n";
        cout << "_________________________________________________" << endl=
;
        cout << "Individuals with a BMI over 30 are in a physically unhealt=
hy condition, which puts them at risk for serious ilnesses such as heart di=
sease, diabetes, high blood pressure, gall bladder disease, and some cancer=
s.These people would benefit greatly by modifying their lifestyle."<<endl;
    }
}

void ask()
{
    char ans;
    int x;
    cout << "\n\n" << name[playNum] <<", back to Menu? (Y:yes N:no): ";

    do
    {
        cin >> ans;

        if(ans=='Y' || ans=='y')
        {
            cout << "\a";
            menu();
        }
        else if (ans=='N' || ans=='n')
        {
            cout << "\a";

            system("cls");

            cout << "Goodbye, " << name[playNum] << "!\n\n\n" << endl;

            break;
        }
        else
            cout << "Invalid option. Please reenter. Back to menu? (Y/N): "=
;
    }
    while (ans!='y' && ans!='Y' && ans!='N' && ans!='n');
}

void AllUsers()
{
    int i;

    system("cls");
    cout << "All users that used this program :\n\nNo.\tName\t\tBMI\tDescri=
ption\n===\t====\t\t===\t===========
=\n";

    for(i=1;i<=playNum;i++)
        cout << i << ".\t" << name[i] << "\t\t" << userDetail[i][0] << "\t"=
 << description_BMI[int(userDetail[i][1])] << endl;
    cout << "\n\n";

    system("pause");
    menu();
}