print currentprice, upcomingprice and the difference

[m konstantakis]

#include <stdio.h>
int main(void)
{
int currentprice,upcomingprice;
int currentprice1,currentprice2,currentprice3;
int upcomingprice1,upcomingprice2,upcomingprice3;
int difference;
float gallons;
printf( "Enter the water consumption \n ", gallons );
	scanf( "%f", &gallons);

switch(currentprice){
      case 1:
      currentprice1=gallons*7;
      break;
      case 2:
      currentprice2=gallons*9;
      break;
      case 3:
      currentprice3=gallons*11;
      break;
}
switch(upcomingprice) {
      case 4:
      upcomingprice1=gallons*6;
      break;
      case 5:
      upcomingprice2=gallons*9;
      break;
      case 6:
      upcomingprice3=gallons*13;
      break;


  }

while (0<=gallons<=100000) {
		currentprice1=gallons*7;
			break;
}
while (100000<gallons<=150000) {
		currentprice2=gallons*9;
			break;
}
while (150000<gallons>=500000) {
		currentprice3=gallons*11;
			break;
}
while (gallons <= 50000) {
		upcomingprice1=gallons*6;
		    break;
}
while (50000<gallons&&gallons<=125000) {
		upcomingprice2=gallons*9;

			break;
}
while (125000<gallons,gallons=500000) {
		upcomingprice3=gallons*11;
			break;
return 0;
}
{
		currentprice=currentprice1 || currentprice2 || currentprice3;
		upcomingprice=upcomingprice1 || upcomingprice2 || upcomingprice3;
		difference=upcomingprice-currentprice;
		printf("customer water consumption during the current policy is %d", currentprice);
		printf("customer water consumption for the upcoming policy is %d", upcomingprice);
		printf("the difference between upcoming and current cost is %d", difference);

}
}

that is the program i have wroten i want to print currentprice,up comingprice and the difference.if anyone can help.thanks on behalf.

[donbock]

What do you intend to accomplish with lines 64 and 65? The result of the || operator is either 0 or 1.