View difference between Paste ID: z2JmBsed and iqbaqMum

-char toromai(int a) /* Arab számot alakít római számmá */
+void main(void)
 {
 	//srand(time(NULL));
 	int a=1234;
 	char *romai;
 	romai=toromai(a);
 	printf("%s\n",romai);
 	free(romai);
 }
 
 char *toromai(int a) /* Arab számot alakít római számmá */
 {
 	int tmp,n=0;
 	char *romai;
 	char *error = "#ÉRTÉK!";
 	char egyesek[][10]  = {"I","II","III","IV","V","VI","VII","VIII","IX"};
 	char tizesek[][10]  = {"X","XX","XXX","XL","L","LX","LXX","LXXX","XC"};
 	char szazasok[][10] = {"C","CC","CCC","CD","D","DC","DCC","DCCC","CM"};
-	if(1<=a<4000)
+
 
-		romai[n]='\0';
+
 	while(tmp>0)
 	{
 		tmp/=10;
-			a%=1000;
+
-			n--;
+
 
 	romai=(char*)malloc(n*sizeof(char));
 	romai[0]=0;
 	if(1<=a && a<4000)
-			a%=100;
+
-			n--;
+
 		{
 			strcat(romai,ezresek[(a/1000)-1]);
 			if(a%1000!=0)
 			{
-			a%=10;
+				a%=1000;
-			n--;
+				if(9<a%1000 && a%1000<100) n--;
 				if(1<=a%1000 && a%1000<10) n-=2;
-		else strcat(romai,egyesek[a-1]);
+				n--;
 			}
-		free (romai);
+			else *romai;
-		return *romai;
+
 		if(n==3)
-	else return *error;
+
 			strcat(romai,szazasok[(a/100)-1]);
 			if(a%100!=0)
 			{
 				a%=100;
 				if(1<=a%100 && a%100<10) n--;
 				n--;
 			}
 			else *romai;
 		}
 		if(n==2)
 		{
 			strcat(romai,tizesek[(a/10)-1]);
 			if(a%10!=0)
 			{
 				a%=10;
 				n--;
 			}
 			else *romai;
 		}
 		if(n==1) strcat(romai,egyesek[a-1]);
 
 		return romai;
 	}
 	else return error;
 }