#include?<stdio.h>?
float?Money(int?n?,int?time)
{???
?if(time>5&&time<23)?
????{???
?????if(n<=3)?
????????return?13;??
?????else?
????????return?((n-3)*2.3+13+1);
?????}???
??else?
?????{
?????????if(n<=3)?
????????????return?13*1.2;?
??????????
??????????else
??????????????return?((n-3)*2.3+13+1)*1.2;
??????????????????}
??????}
?int?main(){?
?????????float?Money3;?
????????????Money3=Money(12,9)+Money(12,18);?
???????????????????printf("所需車費為:%f",Money3);
???????????????????????return?0;
?????????}
2020-01-11
數學中積分是導數的逆運算