c, C (gcc) - rextester

c

//gcc 7.4.0

#include  <stdio.h>

int main(void)
{
    int code , number , price , sum;
   printf("Enter Product Code (-1 for END):");
   scanf("%d", &code);
    while(0 < 1){
    switch(code){
        case 1:
          price = 24000;
          printf("Enter Quantity: ");
          scanf("%d" , &number);
          printf("Invoice amount so far: %d" , number*price);
          break;
        case 2:
          price = 40000;
          printf("Enter Quantity: ");
          scanf("%d" , &number);
          printf("Invoice amount so far: %d" , number*price);
          break;
        case 3:
          price = 70000;
          printf("Enter Quantity: ");
          scanf("%d" , &number);
          printf("Invoice amount so far: %d" , number*price);
          break;
        case 4:
          price = 31300;
          printf("Enter Quantity: ");
          scanf("%d" , &number);
          printf("Invoice amount so far: %d" , number*price);
          break;
        case 5:
          price = 110000;
          printf("Enter Quantity: ");
          scanf("%d" , &number);
          printf("Invoice amount so far: %d" , number*price);
          break;
        case -1:
         
    }
        
    }
    return 0;
}


run \| edit \| history \| help	0