请问问题出在哪?
#include<stdio.h>
int joneResult(int x,int y,int z)
{int sum=x+y+z;
return sum;
}
void jackResult(int x,int y,int z)
{printf("我算不出来\n");
}
int main()
{int a,b,c;a=10;b=20;c=30;
int jR=joneResult(a,b,c);
printf("Jone运算结果是:%d\n",jR);
printf("Jack运算结果是:",jackResult(a,b,c));
return 0;
}