1254

du4/program.c

@@ -1,10 +1,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
 #define SIZE 100
 
-struct student{
+struct student {
     char name[SIZE];
     int votes;
 };
@@ -12,9 +13,9 @@ struct student{
 struct student databaza[SIZE];
 int size = 0;
 
-int find_student(const char* name){
-    for (int i = 0; i < size; i++){
-        if (strcmp(databaza[i].name, name) == 0){
+int find_student(const char* name) {
+    for (int i = 0; i < size; i++) {
+        if (strcmp(databaza[i].name, name) == 0) {
             return i;
         }
     }
@@ -25,13 +26,9 @@ int compare(const void* a, const void* b) {
     struct student* s1 = (struct student*)a;
     struct student* s2 = (struct student*)b;
 
-    if (s1->votes > s2->votes) {
-        return -1;
-    } else if (s1->votes < s2->votes) {
-        return 1;
-    } else {
-        return strcmp(s1->name, s2->name);
-    }
+    if (s1->votes > s2->votes) return -1;
+    if (s1->votes < s2->votes) return 1;
+    return strcmp(s1->name, s2->name);
 }
 
 int main() {
@@ -39,18 +36,17 @@ int main() {
     memset(databaza, 0, sizeof(databaza));
 
     while (fgets(line, SIZE, stdin)) {
-        char* end = NULL;
+        char* end;
         int votes = strtol(line, &end, 10);
-        if (votes == 0 && end == line) {
+        if (*end != ' ') {
             printf("Chyba: Neplatny format vstupu!\n");
-            continue;
-        }
-        while (*end == ' ') {
-            end++;
+            return 1;
         }
+
+        end++;
         if (*end == '\0' || *end == '\n') {
-            printf("Chyba: Neplatny format - chyba meno!\n");
-            continue;
+            printf("Chyba: Neplatny format vstupu!\n");
+            return 1;
         }
 
         char name[SIZE];
@@ -62,9 +58,8 @@ int main() {
         if (id < 0) {
             if (size >= SIZE) {
                 printf("Chyba: Databaza je plna!\n");
-                continue;
+                return 1;
             }
-
             strncpy(databaza[size].name, name, SIZE - 1);
             databaza[size].votes = votes;
             size++;