Initialization

cv5/program.c

@@ -1,7 +1,6 @@
 #include <stdio.h>
-int main() {
+#include <stdlib.h>
-    return 0;
+#include <string.h>
-}
 
 #define SIZE 100
 
@@ -9,3 +8,62 @@ struct student {
     char name[SIZE];
     int votes;
 };
+
+// function to compare two students based on their votes
+int compare(const void *a, const void *b) {
+    struct student *student_a = (struct student *) a;
+    struct student *student_b = (struct student *) b;
+
+    if (student_a->votes > student_b->votes) {
+        return -1;
+    } else if (student_a->votes < student_b->votes) {
+        return 1;
+    } else {
+        // if the votes are the same, compare the names
+        return strcmp(student_a->name, student_b->name);
+    }
+}
+
+int main() {
+    // define an array of students with SIZE elements
+    struct student students[SIZE];
+
+    // initialize a variable to keep track of the size of the array
+    int size = 0;
+
+    // read in the student data from standard input
+    while (1) {
+        // allocate memory for the line
+        char line[SIZE];
+        memset(line, 0, SIZE);
+        char *r = fgets(line, SIZE, stdin);
+
+        // check if the line is empty
+        if (r == NULL) {
+            // end of input
+            break;
+        }
+
+        // parse the string and extract the number of votes and the student name
+        int votes;
+        if (sscanf(line, "%d %s", &votes, students[size].name) != 2) {
+            // error, the input was not in the expected format
+            // print an error message and exit
+            fprintf(stderr, "Error: invalid input format\n");
+            return 1;
+        }
+        students[size].votes = votes;
+        size++;
+    }
+
+    // sort the students based on their votes
+    qsort(students, size, sizeof(struct student), compare);
+
+    // print the results
+    printf("Results:\n");
+    for (int i = 0; i < size; i++) {
+        printf("%d %s\n", students[i].votes, students[i].name);
+    }
+
+    return 0;
+}