C语言作业

return 0; }

例题4-8

#include int main() {

char c1; int c2;

printf(\ c1=getchar(); putchar(c1); c2=getchar(); putchar(c2);

putchar(getchar()); putchar('\\n'); return 0; }

例题4-9

#include int main() {

int a; char b;

printf(\ scanf(\ getchar();

scanf(\

printf(\ return 0; }

例题4-10

#include int main() {

printf(\ printf(\ printf(\

printf(\按Enter键继续......\ getchar();

printf(\ printf(\ printf(\

return 0; }

例题4-11

#include int main() {

double a,b,c,area; printf(\ scanf(\ printf(\ c=sqrt(a*a+b*b); area=(1./2*a*b);

printf(\ return 0; }

例题4-12

#include int main() {

char c; int i,j; float x,y;

printf(\

scanf(\ printf(\ printf(\ printf(\ return 0; }

习题一 第3题

#include int main() {

float x=68.7563,y=-789.125; printf(\ return 0; }

第2题

#include int main()

{

int i,j,k;

scanf(\ printf(\ return 0; }

习题二 第3题

#include int main() {

float x=655.3524,y=765.4271; char s1='c';

printf(\ return 0; }

第4题

#include int main() {

int a,b;

scanf(\

printf(\’%c’,c='%c'\ return 0; }

习题三 第2题

#include int main() {

char str=65;

printf(\

printf(\ return 0; }

习题4 第2题

#include int main() {

int x=7654123; x*=10;

printf(\

return 0; }

习题五

#include int main() {

int i=3,j=5;

float x=22.354,y=435.6789; char ch='b';

printf(\ printf(\ j=%d\ printf(\ y=%.2f\ return 0; }

例5-1

#include int main() {

int fir,sec;

printf(\ scanf(\ if(fir>sec)

printf(\ else

printf(\ printf(\ return 0; }

例5-2

#include int main () {

int a,a1;

scanf(\ a1=a;

if(a<0) a=-a;

printf(\ return 0; }