vault backup: 2024-10-08 22:11:53

.obsidian/app.json

@@ -2,7 +2,7 @@
   "vimMode": true,
   "promptDelete": false,
   "pdfExportSettings": {
-    "includeName": false,
+    "includeName": true,
     "pageSize": "Letter",
     "landscape": false,
     "margin": "0",

education/software development/ECE1400/Chapter 8 Exercises.md

@@ -5,15 +5,65 @@ Using the type of the array's first element means that if you change the type of
 
 > 3. Write a declaration of an array named weekend containing seven `bool` values. Include an initialize that makes the first and last values `true`; all other values should be `false`.
 
-> 4. Calculators, watches, and other electronic devices often rely on 7 segment displays for numerical output. To form a digit, such devices turn on some of the seven segments while leaving others off.
+Answer:
+```c
+bool weekend[] = {true, [1 ... 5] = false, true};
+```
+
+> 5. Calculators, watches, and other electronic devices often rely on 7 segment displays for numerical output. To form a digit, such devices turn on some of the seven segments while leaving others off.
 > 
 >    Here's what the array might look like, with each row representing one digit:
-```
+```c
 const int segments[10][7] = {{1, 1, 1, 1, 1, 1, 0}, ...};
 ```
 > I've given you the first row of the initializer, fill in the rest. 
 
+Answer:
+```c
+const int segments[10][7] = {
+		{1, 1, 1, 1, 1, 1, 0}, // 0
+		{0, 1, 1, 0, 0, 0, 0}, // 1
+		{1, 1, 0, 1, 1, 0, 1}, // 2
+		{1, 1, 1, 1, 0, 0, 1}, // 3
+		{0, 1, 1, 0, 0, 1, 0}, // 4
+		{1, 0, 1, 1, 0, 1, 1}, // 5
+		{1, 0, 1, 1, 1, 1, 1}, // 6
+		{1, 1, 1, 0, 0, 0, 0}, // 7
+		{1, 1, 1, 1, 1, 1, 1}, // 8
+		{1, 1, 1, 1, 0, 1, 1}  // 9
+	};
+```
+
 >10. Write a declaration for an 8x8 `char` array named `chess_board`. Include an initializer that puts the following data into the array, one character per array element:
 \[omitted]
 
+```c
+char chess_board[8][8] = {
+	{'r', 'n', 'b', 'q', 'k', 'b', 'n', 'r'},
+	{'p', 'p', 'p', 'p', 'p', 'p', 'p', 'p'},
+	{' ', '.', ' ', '.', ' ', '.', ' ', '.'},
+	{'.', ' ', '.', ' ', '.', ' ', '.', ' '},
+	{' ', '.', ' ', '.', ' ', '.', ' ', '.'},
+	{'.', ' ', '.', ' ', '.', ' ', '.', ' '},
+	{' ', '.', ' ', '.', ' ', '.', ' ', '.'},
+	{'.', ' ', '.', ' ', '.', ' ', '.', ' '},
+	{'P', 'P', 'P', 'P', 'P', 'P', 'P', 'P'},
+	{'R', 'N', 'B', 'K', 'Q', 'B', 'N', 'R'},
+};
+```
+
+
 > 11. Write a program fragment that declares an 8x8 `char` array named `checker_board` and then uses a loop to store the following data into the array (one character per array element).
+
+```c
+char checker_board[8][8];
+for (int row = 0; row < 8; row++) {
+	for (int column = 0; column < 8; column++) {
+		if ((column + row) % 2 == 0) {
+			checker_board[row][column] = 'B';
+		} else {
+			checker_board[row][column] = 'R';
+		}
+	}
+}
+```