5

a1/program.c

@@ -51,7 +51,7 @@ int main(void) {
                 stack[++top] = c;
         } else if (is_close(c)) {
             if (top < 0) {
-                printf("Unexpected closing bracket %c in %d\n ", c, i);
+                printf("Unexpected closing bracket %c in %d\n", c, i);
                 return 0;
             }
             char last = stack[top--];