#include <stdio.h>
float cost(int x,int y)
{
float money;
float price=2.3;
if(x>=23||x>=0&&x<5)
{
price*=1.2;
}
else
{
goto LOOP;
}
LOOP:if(y<=3)
{
money=13+1;
}
else
{
money=13+(y-3)*price+1;
}
return money;
}
int main()
{
int x=9;
int y=12;
float money;
cost(x,y);
float cost1=money;
x=18;
y=12;
cost(x,y);
float cost2=money;
float totalcost=cost1+cost2;
printf("小明每天打车的总费用是%.2f\n",totalcost);
return 0;
}
2019-02-16
#include <stdio.h>
float money;
float cost(int x,int y)
{
double price=2.3;
if(x>=23&&x<=5)
{
money*=1.2;
}
if(y<=3)
{
money=13+1;
}
else
{
money=13+(y-3)*price+1;
}
return money;
}
int main()
{
int x=9;
int y=12;
cost(x,y);
float cost1=money;
printf("%.2f",cost1);
x=18;
cost(x,y);
float cost2=money;
float totalcost=cost1+cost2;
printf("%.2f",cost2);
printf("小明每天打车的总费用是%.2f\n",totalcost);
return 0;
}
这是我照着你的改的，结果正确，你要记住，小数是浮点数类，要用double或者float定义
#include <stdio.h>
float money;
float cost(int x,int y)
{
double price=2.3;
if(x>=23&&x<=5)
{
money*=1.2;
}
if(y<=3)
{
money=13+1;
}
else
{
money=13+(y-3)*price+1;
}
return money;
}
int main()
{
int x=9;
int y=12;
cost(x,y);
float cost1=money;
printf("%.2f",cost1);
x=18;
cost(x,y);
float cost2=money;
float totalcost=cost1+cost2;
printf("%.2f",cost2);
printf("小明每天打车的总费用是%.2f\n",totalcost);
return 0;
}
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