/*
Introduction to Algorithms and Programming I
Name: Joseph Khadra
Student ID: 103238759
Course NUmber: 60-140-1
Lab Section: 54
Assignment Number: 1
Date: September 30, 2010
Professor: Dr. C.I. Ezeife

Note: Code written entirely by me, Joseph Khadra.
*/
#include <stdio.h>
#include <math.h>

int weightcalc(int ,int ,int ,int ,int );
/* Main sub */
int main()
{
    //Declaring our variables*
    int iquan1, ithick1, iden1, iin1, iout1;
    int iquan2, ithick2, iden2, iin2, iout2;
    int iquan3, ithick3, iden3, iin3, iout3;
    int iquan4, ithick4, iden4, iin4, iout4;
    int value1, value2, value3, value4;

    printf("Enter quantity, thickness, density, inner diameter, outer diameter of Washer Type A:\n");
    scanf("%d %d %d %d %d", &iquan1, &ithick1, &iden1, &iin1, &iout1);
    //printf("Enter quantity, thickness, density, inner diameter, outer diameter of Washer Type B:\n");
    //scanf("%d %d %d %d %d", &iquan2, &ithick2, &iden2, &iin2, &iout2);
    //printf("Enter quantity, thickness, density, inner diameter, outer diameter of Washer Type C:\n");
    //scanf("%d %d %d %d %d", &iquan3, &ithick3, &iden3, &iin3, &iout3);
    //printf("Enter quantity, thickness, density, inner diameter, outer diameter of Washer Type D:\n");
    //scanf("%d %d %d %d %d", &iquan4, &ithick4, &iden4, &iin4, &iout4);
    //make function to take (pi*outer) - (pi*inner) * thickness * density * the quantity :)
    value1 = weightcalc(iquan1, ithick1, iden1, iin1, iout1);
    float(value1);
    //value2 = weightcalc(iquan2, ithick2, iden2, iin2, iout2);
    //value3 = weightcalc(iquan3, ithick3, iden3, iin3, iout3);
    //value4 = weightcalc(iquan4, ithick4, iden4, iin4, iout4);

    printf(" %6.2f ", value1);
    return(0);
}

int weightcalc(int quan, int thick, int iden, int iin, int iout)
{
    return ((3.142*iout)-(3.142*iin))*thick*iden*quan;
}