- 科技
- C Primer Plus 第六版第七章第七题
#include<stdio.h>
#define H_WAGE 10
#define TIME1 30
#define TIME2 40
#define RATE_T 1.5
#define RATE1 0.15
#define RATE2 0.2
#define RATE3 0.25
#define BREAK1 300
#define BREAK2 450
int main(void)
{
float time
,total
,tax
,net
;
printf("Enter the working hours per week:(q to quit)\n");
while(scanf("%f",&time
)==1)
{
if(time
>=0)
{
if(time
<=TIME1
)
{
total
=time
*H_WAGE
;
tax
=total
*RATE1
;
}
else if(time
>TIME1
&&time
<TIME2
)
{
total
=time
*H_WAGE
;
tax
=TIME1
*H_WAGE
*RATE1
+(time
-TIME1
)*H_WAGE
*RATE2
;
}
else if(time
>=TIME2
)
{
time
=TIME2
+(time
-TIME2
)*RATE_T
;
total
=time
*H_WAGE
;
if(total
<BREAK2
)
tax
=TIME1
*H_WAGE
*RATE1
+(time
-TIME1
)*H_WAGE
*RATE2
;
else
tax
=TIME1
*H_WAGE
*RATE1
+(BREAK2
-BREAK1
)*RATE2
+(total
-BREAK2
)*RATE3
;
}
net
=total
-tax
;
printf("Time is %.2f hours,total income is %.2f,tax is %.2f,net income is %.2f\n"
,time
,total
,tax
,net
);
}
else
printf("Time cannot be negtive.\n") ;
printf("Enter time again or q to quit.\n");
}
printf("Done!\n");
return 0;
}
Processed:
0.010, SQL:
8
