21

cv3/program.c

@@ -33,7 +33,7 @@ float calculator(float n1, float n2, char operation) {
             return n1 / n2;
         } else {
             printf("division by zero\n");
-            exit(1);
+            return n1;
         }
     }
     return 0;
@@ -63,11 +63,9 @@ void print_stack() {
         }
         printf("%.2f", stack[i]);
     }
-    printf(" \n"); // добавляем пробел перед новой строкой
+    printf(" \n");
 }
 
-
-
 int main() {
     char arr[50];
     char *pend;
@@ -93,13 +91,15 @@ int main() {
             float n1 = pop();
             char operation = arr[0];
             float result = calculator(n1, n2, operation);
-            push(result);
+            if (!(operation == '/' && n2 == 0)) {
+                push(result);
+            }
             print_stack();
         }
     }
 
     if (stack_top == 0) {
-        pop(); 
+        pop();
         printf("no input\n");
     } else {
         printf("no input\n");