C语言第6章习题答案.pdf

1 第 6 章习题参考答案 1 选择题 选择题 1 B 2 B 3 D 4 D 5 A 6 C 7 C 8 A 9 B 10 D 11 C 12 B 13 C 14 D 15 A 16 A 2 填空题 填空题 1 常量 变量 2 指针 3 2 4 12 12 5 a 0 a 3 3 阅读程序 写出下面程序的运行结果 阅读程序 写出下面程序的运行结果 1 5 2 6 3 abcdefglkjih 4 976531 5 5 9 6 2 4 5 7 6 0 11 9 7 3 7 string a I am a teacher string b You are a student string a I am a teacher string b I am a teacher 4 程序填空 程序填空 1 p 0 p 0 j 2 i strlen str j i k 1 3 a i char n 10 0 4 pk i a n i 1 pk 5 s1 s2 s1 p 5 编程题 编程题 1 include int main int a 3 b 7 c 2 int ptra int temp printf a d b d c d n a b c printf ptra d ptrb d ptrc d n ptra ptrb ptrc if ptra ptrb temp ptra ptra ptrb 2 ptrb temp if ptra ptrc temp ptra ptra ptrc ptrc temp if ptrb ptrc temp ptrb ptrb ptrc ptrc temp printf a d b d c d n a b c printf ptra d ptrb d ptrc d n ptra ptrb ptrc return 0 2 include include void inputdata int a int n void process int a int n void outputdata int a int n int main int a 10 n 10 inputdata a n outputdata a n process a n outputdata a n system Pause return 0 void inputdata int a int n 0 99 之间的数 int i for i 0 i n i scanf d a i void outputdata int ptr int n int i 3 printf n OutPut Data Start n for i 0 i n i printf 4d ptr printf n OutPut Data End n void process int ptr int n int i maxi mini int max 1 min 101 for i 0 i n i if max ptr i min ptr i mini i if mini 0 i ptr 0 ptr 0 ptr mini ptr mini i if maxi n 1 i ptr n 1 ptr n 1 ptr maxi ptr maxi i if maxi 0 ptr maxi ptr mini ptr mini i 3 include 4 int strLength char int main static char str 81 gets str printf string s length 3d n str strLength str system Pause return 0 int strLength char s char p s while p p return p s 4 include define M 3 define N 4 void Transpose int a N int T M int main static int a M N T N M int i j for i 0 i M i for j 0 j N j scanf d printf n Oringinal Matrix Start n for i 0 i M i for j 0 j N j printf 4d a i j printf n printf n Oringinal Matrix End n Transpose a T printf n Transpose Matrix Start n for i 0 i N i for j 0 j M j printf 4d T i j printf n 5 printf n Transpose Matrix End n return 0 void Transpose int a N int T M int i j for i 0 i N i for j 0 j M j T i j a j i 5 include int main static char source 81 target 81 int result gets source gets target result Strcmp source target if result if result 0 printf s s n source target else printf s s n source target return 0 int Strcmp char s char t while s t return s t 6 include 6 define M 5 define N 3 int sum int a int main static int a M N int i j for i 0 i M i for j 0 j N j scanf