refresh

du4/program.c

@@ -1,63 +1,75 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
-#define MAX_NAME_LENGTH 100
+#define namemax 100
+#define maxstudents 1000
 
 typedef struct {
-    char name[MAX_NAME_LENGTH];
-    int votes;
+    char name[namemax];
+    int golosa;
 } Student;
 
-int compare_students(const void *a, const void *b) {
-    const Student *studentA = (const Student *)a;
-    const Student *studentB = (const Student *)b;
-
-    if (studentA->votes != studentB->votes) {
-        return studentB->votes - studentA->votes;
-    } else {
-        return strcmp(studentA->name, studentB->name);
+int find_student(Student students[], int count, char *name) {
+    for (int i = 0; i < count; i++) {
+        if (strcmp(students[i].name, name) == 0) {
+            return i;
         }
+    }
+    return -1;
+}
+
+int compare(const void *a, const void *b) {
+    Student *studentA = (Student *)a;
+    Student *studentB = (Student *)b;
+
+    if (studentA->golosa != studentB->golosa) {
+        return studentB->golosa - studentA->golosa;
+    }
+    return strcmp(studentA->name, studentB->name);
 }
 
 int main() {
-    Student students[100];
-    int student_count = 0;
-    char line[256];
+    Student students[maxstudents];
+    int count = 0;
+    char buffer[200];
 
-    while (fgets(line, sizeof(line), stdin)) {
-        int votes;
-        char name[MAX_NAME_LENGTH];
+    while (fgets(buffer, sizeof(buffer), stdin)) {
+        buffer[strcspn(buffer, "\n")] = '\0';
 
-        if (sscanf(line, "%d %[^\n]", &votes, name) != 2) {
-            break; 
-
-        
-        int found = 0;
-        for (int i = 0; i < student_count; i++) {
-            if (strcmp(students[i].name, name) == 0) {
-                students[i].votes += votes;
-                found = 1;
+        if (strlen(buffer) == 0) {
             break;
         }
+
+        int golosa;
+        char name[namemax];
+
+        if (sscanf(buffer, "%d %99[^\n]", &golosa, name) != 2 || golosa <= 0) {
+            printf("Chyba: Nepodarilo sa nacitat ziadny zaznam.\n");
+            return 0;
         }
 
+        int index = find_student(students, count, name);
 
-       
+        if (index != -1) {
+            students[index].golosa += golosa;
+        } else {
+            strcpy(students[count].name, name);
+            students[count].golosa = golosa;
+            count++;
+        }
     }
 
-    if (student_count == 0) {
-        printf("Chyba: nepodarilo sa nacitat ziadny zaznam.\n");
-        return 1;
+    if (count == 0) {
+        printf("Chyba: Nepodarilo sa nacitat ziadny zaznam.\n");
+        return 0;
     }
 
+    qsort(students, count, sizeof(Student), compare);
 
-    qsort(students, student_count, sizeof(Student), compare_students);
-
-    
-    printf("Vysledky:\n");
-    for (int i = 0; i < student_count; i++) {
-        printf("%d %s\n", students[i].votes, students[i].name);
+    for (int i = 0; i < count; i++) {
+        printf("%s %d\n", students[i].name, students[i].golosa);
     }
 
     return 0;