Exercise 1
#include <iostream>
using std::cout;
using std::cin;
int main()
{
const float arrf[10]{ 1.5, 2.6, 3.8, 4.2, 5.9, 6.75, 7.9, 8.127, 9.6, 10.5 };
int num1; // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
cout << “Please enter a number between 0 and 9 : “;
cin >> num1;
for (int i = 0; i < 1; i++)
cout << arrf[num1] << “\n”;
return 0;
}
Exercise 2
#include <iostream>
using std::cout;
using std::cin;
int main()
{
const int arri[10]{ 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 };
for (int i = 0; i < 10; i++)
cout << arri[i] << “\n”;
cout << “\n”;
for (int u = 9; u > 0 – 1 ; u–)
cout << arri[u] << “\n”;
cout << “\n”;
for (int y = 0; y < 10; y += 2)
cout << arri[y] << “\n”;
cout << “\n”;
for (int t = 9; t > 0 – 1; t -= 3)
cout << arri[t] << “\n”;
return 0;
}
Exercise 3
#include <iostream>
#include <random>
using std::cout;
using std::cin;
int main()
{
int day;
int arr[365];
for (int d = 0; d < 365; d++)
{
arr[d] = rand() % 71 – 20;
}
cout << “The temperature of this day is: “;
for (int d = 0; d < 365; d++)
cout << “Day ” << d + 1 << “d” << arr[d] << “c” << “,”;
cout << “\nWhat day would you like to know the temp for?: “;
cin >> day;
cout << “The temperature on that day was: ” << arr[day – 1] << ” degrees”;
return 0;
}
Exercise 4
Exercise 5
#include <iostream>
using std::cout;
using std::cin;
int main()
{
const int STUDMARK = 20;
int sum = 0;
int hi_score = 0;
int low_score = 0;
int arr[STUDMARK];
for (int i = 0; i < STUDMARK; i++)
{
cout << “Please enter a number: ” << i + 1 << “:\n”;
cin >> arr[i];
sum += arr[i];
}
hi_score = arr[STUDMARK];
{
for (int u = 1; u < STUDMARK; u++)
if (hi_score < arr[u])
hi_score = arr[u];
}
low_score = arr[STUDMARK];
for (int y = 1; y > STUDMARK; y–)
{
if (low_score > arr[y])
low_score = arr[y];
}
cout << “The adverage mark is : ” << sum / STUDMARK << “\n”;
cout << “The highest mark is : ” << hi_score << “\n”;
cout << “The lowest mark is : ” << low_score << “\n”;
return 0;
}
Exercise 6
#include <iostream>
#include <iomanip>
using std::cout;
using std::cin;
//2D arrays
int main()
{
int table[12][12];
int num1, num2;
for (int i = 0; i < 12; i++)
{
for (int j = 0; j < 12; j++)
{
table[i][j] = ((i + 1) * (j + 1));
cout << “|” << std::setw(3) << std::setfill(‘0’) << table[i][j];
}
cout << “|\n”;
cout << “————————————————-\n”;
}
cout << “Enter two numbers to multiply: \n”;
cin >> num1;
cin.ignore();
cin >> num2;
cout << “\nThe answer is: ” << table[num1-1][num2-1]; // -1 as the computer counts from 0
return 0;
}
Exercise 7
int main()
{
int age = 0, birth_date = 0, height = 0;
string first_name;
string second_name;
string pet;
string colour;
string pet_flavour;
string gew_dog;
cout << “What is your age and first and second name in that order?:\n”;
cin >> age;
cin.ignore(0);
cin >> first_name;
cin.ignore(0);
cin >> second_name;
cout << “Thank you ” << first_name << “, what is your favourite colour?:\n”;
cin >> colour;
cout << “Wow! I like that colour too, what is the name of a pet you have had?:\n”;
cin >> pet;
cout << “What flavour pet was ” << pet << “?\n”;
cin >> pet_flavour;
cout << “Finally, what is the name of your grandad’s wifes dog?: \n”;
cin >> gew_dog;
cout << “\n”;
cout << “Anyway, here is a story about you and your pet:\n”;
cout << “Once apon a time, there was a magical wizard named ” << first_name << ” ” << second_name << ” who lived in a huge wizard tower in the center of Skegness along with his ” << pet_flavour << ” ” << pet << ” . ” << first_name << “‘s wizard tower was painted in their favourite colour, ” << colour << “. Sadly, the evil villain ” << gew_dog << ” did not like their favourite shade of ” << colour << “\n”;
cout << “The evil tyrant ” << gew_dog << ” charged towards their house at a top speed of around 3 – 6 mph second, and bellows about hating that colour.” << pet << ” then bites his ankles and the 122cm tall tyrant topples to the ground.” << first_name << ” ” << second_name << ” stands above the toppled manlet and proudly states in all his wizardous glory I have defeated the small man.”;
cout << “\n The End!\n”;
return 0;
}
Exercise 8
#include <iostream>
using std::cout;
using std::cin;
int main()
{
const int arr[10][5];
for (int i = 0; i < 10; i++)
{
cout << “Please enter student id: “;
cin >> arr[i][0];
for (int j = 1; j < 4; j++)
{
cout << “Please enter student mark: “;
cin >> arr[i][j];
}
arr[i][4] = (arr[i][1] + arr[i][2] + arr[i][3]) / 3;
cout << arr[i][4] << “\n”;
}
return 0;
}
Seb Crowhurst Game Development 