Update a1/program.c

a1/program.c

@@ -12,6 +12,14 @@ int isMatching(char opening, char closing) {
            (opening == '<' && closing == '>');
 }
 
+// Function to get the expected closing bracket for a given opening bracket
+char getExpectedClosingBracket(char opening) {
+    return (opening == '{') ? '}' :
+           (opening == '[') ? ']' :
+           (opening == '(') ? ')' :
+           (opening == '<') ? '>' : '\0';
+}
+
 int main() {
     char input[MAX_LENGTH + 1];
     char stack[MAX_LENGTH];
@@ -54,8 +62,7 @@ int main() {
             if (!isMatching(stack[top--], current)) {
                 printf("Read: %s\n", input);
                 printf("Crossed bracket %c in %d, expected %c.\n", current, position, 
-                       (current == '}') ? '{' : (current == ']') ? '[' : 
-                       (current == ')') ? '(' : '<');
+                       getExpectedClosingBracket(stack[top + 1]));
                 return 0;
             }
         }
@@ -64,7 +71,7 @@ int main() {
     // If there are unmatched opening brackets left in the stack
     if (top != -1) {
         printf("Read: %s\n", input);
-        printf("Unexpected end of input, expected closing bracket for %c.\n", stack[top]);
+        printf("Missing closing brackets: %c\n", getExpectedClosingBracket(stack[top]));
         return 0;
     }