Update weeklycontent.html

Author: thecodersclub-mce

weeklycontent.html

@@ -2232,10 +2232,165 @@ <h3>Output:</h3>
 </div>
 <div id="saturday-content-week5" class="day-content day-section">
         <h2>Brain Cache</h2>
-        <div class="button-container" style="text-align: center; padding: 15px;">
-<p style="text-align: center; font-style: italic; color: #555;">Quiz goes live <strong>today</strong> at <strong>6.00 PM IST</strong>!</p>
-<button class="nav-button" onclick="window.location.href='quiz.html';">Quiz</button>     </div>
-    </div>
+        <div class="content-block">
+                <h3>1. Which of the following statements about C structures is true?</h3>
+                <ol>
+                    <li>A structure can only contain variables of the same data type.</li>
+                    <li><strong>The `struct` keyword is used to define a new data type.</strong></li>
+                    <li>Members of a structure are accessed using the `->` operator for all cases.</li>
+                    <li>Structures cannot be passed as arguments to functions.</li>
+                </ol>
+            </div>
+
+            <div class="content-block">
+                <h3>2. What will be the output of the following code snippet?</h3>
+                <pre class="code-block"><code>#include &lt;stdio.h&gt;
+
+int main() {
+    FILE *fp;
+    fp = fopen("data.txt", "r");
+    if (fp == NULL) {
+        printf("Can't open file \n");
+    } else {
+        fprintf(fp, "Hello, world! ");
+        printf("Written to file \n");
+        fclose(fp);
+    }
+    return 0;
+}</code></pre>
+                <ol>
+                    <li>Written to file</li>
+                    <li><strong>Can't open file</strong></li>
+                    <li>File gets created and "Hello, world! " is written into it</li>
+                    <li>Compile-time error</li>
+                </ol>
+            </div>
+
+            <div class="content-block">
+                <h3>3. What might happen when the following C program is executed?</h3>
+                <pre class="code-block"><code>#include &lt;stdio.h&gt;
+
+int main() {
+    FILE *fptr;
+    char data[100];
+
+    fptr = fopen("myfile.txt", "w"); // open in write mode
+    if (fptr == NULL) {
+        printf("Error opening file!\n");
+        return 1;
+    }
+
+    printf("Enter some text to write into the file: ");
+    fgets(data, sizeof(data), stdin);
+    fprintf(fptr, "%s", data);
+    fclose(fptr);
+    printf("Data written to file successfully.\n");
+
+    fptr = fopen("myfile.txt", "r"); // open in read mode
+    if (fptr == NULL) {
+        printf("Error opening file!\n");
+        return 1;
+    }
+
+    printf("Reading from the file:\n");
+    while (fgets(data, sizeof(data), fptr) != NULL) {
+        printf("%s", data);
+    }
+    fclose(fptr);
+
+    return 0;
+}</code></pre>
+                <ol>
+                    <li><strong>The program writes user input to a file and reads it back successfully.</strong></li>
+                    <li>The program writes data to the file but fails to read it.</li>
+                    <li>The program crashes immediately due to a syntax error.</li>
+                    <li>The file is opened in append mode, so it keeps adding new data every time.</li>
+                </ol>
+            </div>
+
+            <div class="content-block">
+                <h3>4. What is the primary reason for structure padding in C?</h3>
+                <ol>
+                    <li>To improve code readability</li>
+                    <li>To reduce memory usage</li>
+                    <li><strong>To ensure proper alignment of structure members in memory</strong></li>
+                    <li>To increase execution speed</li>
+                </ol>
+            </div>
+
+            <div class="content-block">
+                <h3>5. What is the purpose of the `fprintf` function in `writeStudentToFile()`?</h3>
+                <pre class="code-block"><code>#include &lt;stdio.h&gt;
+#include &lt;string.h&gt;
+
+struct Student {
+    int id;
+    char name[50];
+    float marks;
+};
+
+void writeStudentToFile() {
+    struct Student s;
+
+    printf("Enter Student ID: ");
+    scanf("%d", &s.id);
+
+    printf("Enter Student Name: ");
+    scanf(" %[^\n]", s.name);
+
+    printf("Enter Marks: ");
+    scanf("%f", &s.marks);
+
+    FILE *fp = fopen("student.txt", "w");
+    if (fp == NULL) {
+        printf("Error opening file!\n");
+        return;
+    }
+
+    fprintf(fp, "%d\n%s\n%.2f\n", s.id, s.name, s.marks);
+    fclose(fp);
+    printf("Student data saved successfully.\n\n");
+}
+
+void readStudentFromFile() {
+    struct Student s;
+    FILE *fp = fopen("student.txt", "r");
+
+    if (fp == NULL) {
+        printf("Error opening file!\n");
+        return;
+    }
+
+    fscanf(fp, "%d\n", &s.id);
+    fgets(s.name, sizeof(s.name), fp);
+    fscanf(fp, "%f", &s.marks);
+
+    if (s.name[strlen(s.name) - 1] == '\n') {
+        s.name[strlen(s.name) - 1] = '\0';
+    }
+
+    fclose(fp);
+
+    printf("Student Data from File:\n");
+    printf("ID: %d\n", s.id);
+    printf("Name: %s\n", s.name);
+    printf("Marks: %.2f\n", s.marks);
+}
+
+int main() {
+    writeStudentToFile();
+    readStudentFromFile();
+    return 0;
+}</code></pre>
+                <ol>
+                    <li>To read data from a file</li>
+                    <li>To print data to the console</li>
+                    <li><strong>To write formatted data to a file</strong></li>
+                    <li>To close the file after writing</li>
+                </ol>
+            </div>
+   
+ </div>
 
         </div>
     </div>
@@ -2263,11 +2418,11 @@ <h2>Brain Cache</h2>
     let disabledWeekId = 'null'; // Example: Week 4 is disabled
     // Define an array of disabled days for a given week (e.g., ['tuesday', 'thursday'] for week1)
     const disabledDays = {
-        'week1': ['monday','tuesday','wednesday','thursday','friday','saturday'], // Example: Tuesday and Thursday are disabled for Week 1
-        'week2': ['monday','tuesday','wednesday','thursday','friday','saturday'],
-        'week3': ['monday','tuesday','wednesday','thursday','friday','saturday'],
-         'week4': ['monday','tuesday','wednesday','thursday','friday','saturday'],
-         'week5': ['monday','tuesday','wednesday','thursday','friday'],
+       'week1': ['monday','tuesday','wednesday','thursday','friday','saturday'], // Example: Tuesday and Thursday are disabled for Week 1
+       'week2': ['monday','tuesday','wednesday','thursday','friday','saturday'],
+       'week3': ['monday','tuesday','wednesday','thursday','friday','saturday'],
+       'week4': ['monday','tuesday','wednesday','thursday','friday','saturday'],
+       'week5': ['monday','tuesday','wednesday','thursday','friday','saturday'],
     };
     // --- END CONTROL KEYWORD ---