Jacaranda (Engineering) 3333 Mail Code Phone: 818.677.6448E-mail: [email protected] 8348 Fax: 818.677.7062College of Engineering and Computer ScienceComputer Science DepartmentComputer Science 106 Computing in Engineering and ScienceSpring 2006 Class number: 11672 Instructor: Larry CarettoEngineering Building Room 2303 Mail Code Phone: 818.677.6448E-mail: [email protected] 8348 Fax: 818.677.7062March 14 homework solutions Comp 106, L. S. Caretto, Spring 2006 Page 3Homework Solutions – March 14, 2006Page 308, Program 7 – Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage) and the number of days they will multiply. A loop should display the size of the populationfor each day.Input validation: Do not accept a number less than two for the starting size of the population. Do not accept a negative number for the daily population increase, Do not accept a number less than one for the number of days they will multiply#include <iostream>#include <iomanip>using namespace std;int main(){// Program to compute organism growth based on initial population, // growth rate and total simulated days input by the user.// Get input for the initial polulation of organisms. Use a while// loop for data validataion that the population >= 2 int organisms; cout << "Programs to compute organism growth\n\n"; do { cout << "Enter the initial number of organisms(>=2): "; cin >> organisms; if ( organisms < 2 ) { cout << "\n*** ERROR ***initial number must be >= 2." << "\nYou entered " << organisms << ". Reenter data.\n"; } } while ( organisms < 2 );// Get input for the total days to be simulated. Use a while// loop for data validataion that the total days are >= 2 int days; do { cout << "Enter the total days for the simulation(>=1): "; cin >> days; if ( days < 1 ) { cout << "\n*** ERROR ***total days must be >= 1." << "\nYou entered " << days << ". Reenter data.\n"; } } while ( days < 2 );// Get input for the growth rate in percent. Use a while// loop for data validataion that growth rate is positiveMarch 14 homework solutions Comp 106, L. S. Caretto, Spring 2006 Page 4 double growth; do { cout << "Enter the daily percentage growth rate: "; cin >> growth; if ( growth < 0 ) { cout << "\n*** ERROR ***growth rate must be > zero." << "\nYou entered " << growth << ". Reenter data.\n"; } } while ( growth < 0 );// Start calculations. Convert growth rate to a fraction, // print header, initialize counter and set maximum integer. growth /= 100; cout << " Day Number of organisms\n"; int day = 0; const double MAX_INT = 2147483647;// Loop to compute growth rate. Make sure that we do not // exceed the maximum integer count. do { cout << setw(4) << day << setw(20) << organisms << endl;if ( (1 + growth) * organisms > MAX_INT ){ cout << "\nReached limit for integer organisms."; cout << "\nProgram will halt now.\n\n"; return EXIT_FAILURE; } organisms *= (1 + growth); day++; } while ( day <= days ); return EXIT_SUCCESS;}Page 308, Program 9 – Write a program with a loop that lets a user enter a series of integers. The user should enter -999999 to signal the end of the series. After allthe numbers have been entered the program should display the largest and smallest numbers entered.#include <iostream>using namespace std;int main(){ // Program to find max and min in a set of user inputint const exit = -999999; // Number to exit input processint data; // Individual data entry// Tell user about program and get initial inputcout << "Enter a series of numbers.\n"March 14 homework solutions Comp 106, L. S. Caretto, Spring 2006 Page 5 << "The program will find the maximum and minimuim.\n" << "Enter " << exit << " to end input.\n" << "\nEnter your first number: ";cin >> data; // Declare variables min and max to hold the current minimum // and maximum values. Initialize these values to the first // data point entered by the user.int min = data;int max = data;// Loop over repeated user entrywhile ( data != exit ){cout << "Enter your next number (" << exit << " to end input): "; cin >> data; // If user enters code to quit input leave loop // Otherwise see if the new data entry has to // replace the current max or min.if ( data == exit ) break;if ( data > max ) max = data;else if ( data < min ) min = data;}if ( max == exit && min == exit ){// This condition obtains when the user entered the code to// leave the input process before entering any data.cout << "\nNo data entered.\n\n";}else{// Print the minimum and maximum values found in the loop. cout << "\n\nThe minimum value is " << min << ", and" << "\nThe maximum value is " << max << endl << endl;}return