在主函数中输入2个数,调用函数求两个数的和与差,并在主函数中输出答:} //求差 double sub(double a,double b){ return a-b;} void main(){ double sum2,sub2;printf("输入两个数:");scanf("%f%f",&a,&b);sum2= sum(a,b);sub2=sub(a,b);printf("和为%f,差为%f\n",sum2,sub2);}
调用mycal函数计算两个数的和与差,并将结果分别存放在变量a和b中,则...答:using namespace std;void mycal(int a, int b, int &sum, int &diff); // 定义被调函数 int main() { int a = 10, b = 20; // 定义两个整数变量a和b int sum, diff; // 定义两个整数变量sum和diff mycal(a, b, sum, diff); // 调用mycal函数计算a和b的和与差 cout <<...
设计一个程序,计算输入的两个数的和与差,要求自定义一个函数 sum_diff...答:int main(void){ void sum_diff(float op1,float op2,float*psum,float*pdiff);float psum,pdiff;float op1,op2;//输入op1,op2,并且是float,所以用%f;printf("输入:");scanf("%f%f",&op1,&op2);//调用自定义函数;sum_diff(op1,op2,&psum,&pdiff);printf("*psum=%f,*pdiff=%f",...
...浮点数求出和值与差值,并通过形参传送回调用函数。答:include "iostream"using namespace std;void fun(float a,float b,float *c,float *d){ c=a+b;d=a-b;} void main(){ float a,b,c,d;cout<<"输入二个浮点数:";cin>>a>>b;fun(a,b,&c,&d);cout<<"和是:"<<c<<" "<<"差是:"<<d<<endl;} ...