C Language ExerciseChapter1.docx

1、C Language ExerciseChapter1C Language Exercise Chapter12011.01.06题目：初步掌握编程工具的使用，工程创建、代码编写、运行main了解函数的定义和调用exam1了解变量的定义和字符变量exam2了解未进行初始化的变量的值exam3整数从十进制转成十六进制，在转成二进制exam4了解不同整数的数据位宽exam5了解不同浮点数的精度exam6了解负数的原理exam7了解数据丢失exam8了解数据溢出exam9参考代码：#include void exam1(int a);void exam2();void exam3();void ex

2、am4();void exam5();void exam6();void exam7();void exam8();void exam9();void exam10();main() printf(hello, world!n); exam1(5); exam2(); exam3(); exam4(); exam5(); exam6(); exam7(); exam8(); exam9();void exam1(int a) printf(* exam1 *n); printf(The value of a is %d!n,a);void exam2() char a; char A; a=a

3、; A=A; printf(* exam2 *n); printf(The value of a is %c!n,a); printf(The decimal value of a is %d!n,a); printf(The value of A is %c!n,A); a= a-32; printf(Now the value of a is %c!n,a);void exam3() int a; printf(* exam3 *n); printf(The value of a is %d!n,a); a=100; printf(Now the value of a is %d!n,a)

4、;void exam4() char a; int i; a=100; printf(* exam4 *n); printf(The decimal value of a is %d!n,a); printf(The hex value of a is %x!n,a); printf(The binary value of a is:b); for(i=0;i8;i+) if(ai)&0x80) printf(%c,1); else printf(%c,0);void exam5() long l; unsigned ul; int i; unsigned int ui; short int

5、si; unsigned short int usi; char c; unsigned char uc; l=0x8877665544332211; ul=0x8877665544332211; i=0x8877665544332211; ui=0x8877665544332211; si=0x8877665544332211; usi=0x8877665544332211; c=0x8877665544332211; uc=0x8877665544332211; printf(* exam5 *n); printf(The value of l is %x!n,l); printf(The

6、 value of ul is %x!n,ul); printf(The value of i is %x!n,i); printf(The value of ui is %x!n,ui); printf(The value of si is %x!n,si); printf(The value of usi is %x!n,usi); printf(The value of c is %x!n,c); printf(The value of uc is %x!n,uc);void exam6() float f; double df; long double ldf; ldf=1234.12

7、345678901234567890123456789; df=ldf; f=df; printf(* exam6 *n); printf(The value of ldf is %f!n,ldf); printf(The value of df is %f!n,df); printf(The value of f is %f!n,f); printf(The value of ldf is %15.15f!n,ldf); printf(The value of df is %15.15f!n,df); printf(The value of f is %9.8f!n,f);void exam

8、7() int c; c=-100; printf(* exam7 *n); printf(The value of c is %d!n,c); printf(The hex value of c is %x!n,c); c=100; printf(The value of c is %d!n,c); printf(The hex value of c is %x!n,c);void exam8() long l; unsigned long ul; int i; unsigned int ui; short int si; unsigned short int usi; char c; un

9、signed char uc; l=123456789; ul=l; i=l; ui=l; si=i; usi=i; c=i; uc=i; printf(* exam8 *n); printf(The value of l is %d!n,l); printf(The value of ul is %d!n,ul); printf(The value of i is %d!n,i); printf(The value of ui is %d!n,ui); printf(The value of si is %d!n,si); printf(The value of usi is %d!n,us

10、i); printf(The value of c is %d!n,c); printf(The value of uc is %d!n,uc);void exam9() unsigned short int usi_1,usi_2; unsigned int ui; unsigned char uc_1,uc_2; unsigned short int usi; char c_1,c_2; short int si; usi_1=30000; usi_2=usi_1+40000; ui=usi_1+40000; uc_1=100; uc_2=uc_1+200; usi=uc_1+200; printf(* exam9 *n); printf(The value of usi_2 is %d!n,usi_2); printf(The value of ui is %d!n,ui); printf(The value of uc_2 is %d!n,uc_2); printf(The value of usi is %d!n,usi); c_1=-100; c_2=c_1-50; si=c_1-50; printf(The value of c_2 is %d!n,c_2); printf(The value of si is %d!n,si);