Tutorial 03

Tutorials/2023-March/Tutorial-03/ex-01-shanelka.cpp

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+#include <iomanip>
+#include <iostream>
+using namespace std;
+
+int main() {
+ float marks[] = {78.4, 90.6, 45.9, 72.2, 54.4};
+ char names[][20] = {"Ajith", "Wimal", "Kanthi", "Suranji", "Kushmitha"};
+
+ cout << setw(5) << "No" << setw(15) << "Name" << setw(10) << "Marks"
+ << endl; // print headers
+
+ for (int r = 0; r < 5; r++) {
+ cout << setw(5) << r + 1 << setw(15) << names[r] << setw(10)
+ << setiosflags(ios::fixed) << setprecision(2) << marks[r] << endl;
+ }
+
+ return 0;
+}

Tutorials/2023-March/Tutorial-03/ex-02-shanelka.cpp

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+#include <iostream>
+using namespace std;
+
+int volume(int height, int width, int length);
+
+int main() {
+ int box1Height, box1Width, box1Length;
+ int box2Height, box2Width, box2Length;
+ int totalVolume, totalSurface;
+
+ cout << "Enter Box 1 Height : ";
+ cin >> box1Height;
+ cout << "Enter Box 1 Width : ";
+ cin >> box1Width;
+ cout << "Enter Box 1 Length : ";
+ cin >> box1Length;
+
+ cout << "Enter Box 2 Height : ";
+ cin >> box2Height;
+ cout << "Enter Box 2 Width : ";
+ cin >> box2Width;
+ cout << "Enter Box 2 Length : ";
+ cin >> box2Length;
+
+ totalVolume = volume(box1Height, box1Width, box1Length) +
+ volume(box2Height, box2Width, box2Length);
+
+ cout << "Volume of Box is " << totalVolume << endl;
+
+ return 0;
+}
+
+// Implement the Volume() function here
+int volume(int height, int width, int length) {
+
+ return height * width * length;
+}

Tutorials/2023-March/Tutorial-03/ex-03-shanelka.cpp

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+#include <iostream>
+using namespace std;
+
+// function prototype
+int volume(int height, int width, int length);
+
+// create a structure
+struct Box {
+ int Height;
+ int Width;
+ int Length;
+};
+
+// Do not change the main function
+int main() {
+ // 2. Create a variable called box1 of the Box structure type
+ Box box1;
+ // int box1Height, box1Width, box1Length;
+ // 3. Create a variable called box2 of the Box structure type
+ Box box2;
+ // int box2Height, box2Width, box2Length;
+ int totalVolume;
+ // 4. Input the height, width, lenght of box1 and box2
+ cout << "Enter Box 1 Height : ";
+ cin >> box1.Height;
+ cout << "Enter Box 1 Width : ";
+ cin >> box1.Width;
+ cout << "Enter Box 1 Length : ";
+ cin >> box1.Length;
+
+ cout << "Enter Box 2 Height : ";
+ cin >> box2.Height;
+ cout << "Enter Box 2 Width : ";
+ cin >> box2.Width;
+ cout << "Enter Box 2 Length : ";
+ cin >> box2.Length;
+ // 5. Replace the coding below to pass the Box type structure
+ totalVolume = volume(box1.Height, box1.Width, box1.Length) +
+ volume(box2.Height, box2.Width, box2.Length);
+
+ cout << "Volume of Box is " << totalVolume << endl;
+ return 0;
+}
+
+// Implement the Volume() function here
+int volume(int height, int width, int length) {
+ return height * width * length;
+}

Tutorials/2023-March/Tutorial-03/ex-04-shanelka.cpp

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+#include <iostream>
+using namespace std;
+
+void print(int len, int wth);
+void input(int &len, int &wth);
+
+// Do not change the main() function
+int main() {
+ int length = 10, width = 5;
+
+ input(length, width);
+ print(length, width);
+
+ return 0;
+}
+
+// Do not change the print() function
+void print(int len, int wth) {
+ cout << "Length : " << len << ", Width : " << wth << endl;
+}
+
+// Implement the Input Function here
+void input(int &len, int &wth) {
+ cout << "Input length : ";
+ cin >> len;
+ cout << "Input width : ";
+ cin >> wth;
+}