最后那為啥打了void是錯(cuò)的
#include <stdio.h>
/* Jone算出結(jié)果應(yīng)該怎么寫(xiě)函數(shù)? */
int joneResult(int x, int y, int z)
{
?? int sum = x+y+z;
?? return sum/3;? //這里是不是應(yīng)該將sum返回呢?
}
/* Jack沒(méi)有算出結(jié)果只說(shuō)了一句話是不是應(yīng)該用無(wú)返回值函數(shù)? */
void jackResult(int x, int y, int z)
{
??? printf("我算不出來(lái)\n");
}
int main()
{
??? int a, b, c;
??? a = 10;
??? b = 20;
??? c = 30;
??? //Jone的返回值類型是什么?
??? int???? jR = joneResult(a, b, c);
??? printf("Jone運(yùn)算結(jié)果是:%d\n", jR);
??? printf("Jack運(yùn)算結(jié)果是:");
??? //Jack沒(méi)有算出結(jié)果只說(shuō)了句話,是不是直接調(diào)用函數(shù)就可以了?
??? void jackResult(a,b,c);
??? return 0;
}
2019-11-01
調(diào)用函數(shù)時(shí)不用聲明類型了吧,在定義函數(shù)的時(shí)候已經(jīng)名聲過(guò)函數(shù)的類型了,我也是剛學(xué),不知道對(duì)不對(duì),我是這么理解的