diff --git a/cv10/program.c b/cv10/program.c
index 90bb99c..4d93869 100644
--- a/cv10/program.c
+++ b/cv10/program.c
@@ -9,15 +9,22 @@ int main() {
     char name[50];
     char **prihlasky = NULL;
     int counter = 0;
-    prihlasky = (char **)malloc(max * sizeof(char *));
     if (scanf("%d", &max) != 1 || max <= 0) {
         puts("Nespravny vstup");
         return 1;
     }
+    prihlasky = (char **)malloc(max * sizeof(char *));
     fgets(name, 50, stdin);
     while (fgets(name, 50, stdin) && name[0] != '\n') {
-        prihlasky[counter] = strdup(name);
-        counter++;
+        int checker = 0;
+        for(int i = 0;i < counter && i < max;i++){
+            if(strcmp(prihlasky[i], name) == 0)
+                checker = 1;
+        }
+        if(checker == 0){
+            prihlasky[counter] = strdup(name);
+            counter++;
+        }
         }
     qsort(prihlasky, counter, sizeof(char *), compare);
     puts("Prijati studenti:");