為什么算出來結(jié)果是0？
#include?<stdio.h>int?money=0;int?distance(int?n,int?t1,int?t2){????if(n<=3)????{????????money=13*2;????}????else?if(t1>=23&&t2<=5)????{????????money=13*2+(n-3)*2.3*(1+0.2)*2;????}????else????{????????money=13*2+(n-3)*2.3*2;????}????return?money;}int?main(){????distance(12,6,9);????money=money+2;????printf("所需費用為%f元",money);????return?0;}
2020-04-26
前面money定義的是整數(shù)，將int改為float。