编程:购物500以下打9折501~800 8折

int main()
{
int money;
if (money < 500)
{
money *= 0.9;
}
else if (money >= 501 and money <= 800)
{
money *= 0.8;
}
else if (money >= 801 and money <= 1100)
{
money *= 0.7;
}
else
{
money *= 0.6;
}
printf("%d", money);
return 0;
}

#include <stdio.h>
void main()
{
float nNum=0;
float nAbate=0;
scanf("%f",&nNum);
if(nNum<=500)
{
nAbate=0.9;
}
else if(nNum<=800)
{
nAbate=0.8;
}
else if(nNum<=1100)
{
nAbate=0.7;
}
else
{
nAbate=0.6;
}
printf("打%0.0f折后是%0.2f元",nAbate*10,nNum*nAbate);
}