Update cv3/program.c

cv3/program.c

@@ -21,6 +21,8 @@ int main() {
     memset(&mystack, 0, sizeof(struct stack)); 
 
     char input[50];
+    int empty_input = 0;  
+    
     while (1) {
         
         if (!fgets(input, sizeof(input), stdin)) {
@@ -30,7 +32,7 @@ int main() {
         input[strcspn(input, "\n")] = 0;  
 
         if (strlen(input) == 0) {
-            printf("no input\n");  
+            empty_input = 1;  
             break;
         }
 
@@ -76,10 +78,16 @@ int main() {
         print_stack(&mystack);
     }
 
+   
+    if (empty_input) {
+        printf("no input\n");
+    }
+
     return 0;
 }
 
 
+
 void push_stack(struct stack* stack, float value) {
     assert(stack->size < STACK_SIZE); 
     stack->values[stack->size] = value;