34

cv3/program.c

@@ -33,7 +33,7 @@ float calculator(float n1, float n2, char operation) {
             return n1 / n2;
         } else {
             printf("division by zero\n");
-            return n1;
+            exit(0);
         }
     }
     return 0;
@@ -43,7 +43,8 @@ void push(float number) {
     if (stack_top < STACK_SIZE - 1) {
         stack[++stack_top] = number;
     } else {
-        printf("stack overflow\n");
+        printf("Error: stack overflow\n");
+        exit(0);
     }
 }
 
@@ -51,13 +52,12 @@ float pop() {
     if (stack_top >= 0) {
         return stack[stack_top--];
     } else {
-        printf("stack is empty\n");
-        return 0;
+        printf("Error: stack is empty\n");
+        exit(0);
     }
 }
 
 void print_stack() {
-    if (stack_top >= 0) {
     for (int i = 0; i <= stack_top; i++) {
         printf("%.2f", stack[i]);
         if (i < stack_top) {
@@ -65,7 +65,6 @@ void print_stack() {
         }
     }
     printf(" \n");
-    }
 }
 
 int main() {
@@ -93,13 +92,10 @@ int main() {
             float n1 = pop();
             char operation = arr[0];
             float result = calculator(n1, n2, operation);
-            if (!(operation == '/' && n2 == 0)) {
             push(result);
             print_stack();
         }
     }
-    }
-
     printf("no input\n");
 
     return 0;