电大春《C语言程序设计》形成性考核册答案.doc

case 'C':case 'c': printf(\ default:printf(\ } }

void main(){

char a1='b',a2='C',a3='f'; SB(a1);SB(a2); SB(a3);SB('A'); printf(\ }

输出结果为： GGPPBBWW

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2. #include<>

#include<>

double SD(int a,int b,char op){ double x; switch(op){

case '+':x=a+b;break; case '-':x=a-b;break; case '*':x=a*b;break;

case '/':if(b)x=(double)a/b; else exit(1); break;

default:{(\运算符错！\\n\ }

return x; }

void main(){

int x=20,y=8;

printf(\ printf(\ printf(\ }

输出结果为：

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3. #include<>

void WF(int x,int y){ x=x+y; y=x+y;

printf(\ }

void main(){

int x=18,y=23;

printf(\ WF(x,y); x=2*x;

printf(\ }

输出结果为： main:x,y=18,23 subs:x,y=41,64 main:x,y=36,23

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4. #include<> #include<>

void fun(char ss[]); void main(){