c语言:在主函数中输入3个数,调用sum函数实现这三个数的加法运算.子函数...答:int sum(int x,int,y){int z;z=x+y;return z;} int main(){int a,b,c;scanf("%d,%d,%d",a,b,c);printf("%d\n",sum(sum(a,b),c));return 0;} 仅供参考
C语言中,这个main函数里定义的变量是全局变量还是局部变量?答:放在main函数里定义的变量是局部变量,全局变量要放在所有函数(包括main)的外部#include int x,y,z;void year(int a,int b,int c);int main(){ int i,a,b,c;for(i=1;i<=1;i++){ scanf("%d,%d,%d",&a,&b,&c);printf("a=%d\n",a);printf("b=%d\n",b);printf("c=%d...
C语言:在主函数中输入x,y,调用函数求出X,y的和,差,商,积,并在主函数中...答:include<stdio.h> int add(int a,int b){ return a+b;} int sub(int a,int b){ return a-b;} int mul(int a,int b){ return a*b;} float divi(int a,int b){ return 1.0*a/b;} void main(){ int x,y;scanf("%d%d",&x,&y);printf("x+y=%d\n",add(x,y));p...
c语言:交换两个数的值求最大值,用主函数和子函数的形式答:include<stdio.h> int max(int*a,int*b){ int t;t=*a;a=*b;b=t;return (*a>*b)?*a:*b;} void main(){ int a,b;scanf("%d%d",&a,&b);printf("max=%d\n",max(&a,&b));printf("a=%d,b=%d\n",a,b);}