C语言基础编程试题案例.pdf

1 数组元素逆序输出 1 include void print int arr p int n int i for i n 1 i 0 i printf d arr p i int main int n i scanf d int arr n for i 0 i n i scanf d print arr n return 0 2 数组元素逆序保存 2 include void turn save int arr p int len int i temp for i 0 i len 2 i temp arr p i arr p i arr p len i 1 arr p len i 1 temp int main int n i scanf d int arr n for i 0 i n i scanf d turn save arr n for i 0 i n i printf d arr i return 0 3 数组元素删除 3 include int delete int arr int len int delete num int i j for i 0 i len i if delete num arr i for j i 1 j len j arr j 1 arr j len i return len int main int arr 1 1 1 1 3 4 4 5 7 9 9 int i int len sizeof arr sizeof arr 0 int delete num scanf d len delete arr len delete num for i 0 i len i printf d arr i return 0 4 数组元素插入 4 notice include void insert int arr int len int insert num int i j for i 0 i len 1 i if insert num i j arr j 1 arr j arr i insert num break if insert num arr len 2 arr len 1 insert num int main int arr 8 2 1 3 5 7 9 11 int len sizeof arr sizeof arr 0 int i int insert num scanf d insert arr len insert num for i 0 i len i printf d arr i return 0 5 数组元素循环 n 个 5 include void circulate int arr int len int n int i count int temp for count 0 count 0 i arr i 1 arr i arr 0 temp int main int arr 1 2 3 4 5 6 int len sizeof arr sizeof arr 0 int i int n scanf d circulate arr len n for i 0 i len i printf d arr i return 0 6 冒泡排序 6 include void bubble sort int arr int len int i j int temp for i 0 i len 1 i for j 0 j arr j 1 temp arr j 1 arr j 1 arr j arr j temp int main int arr 3 1 5 2 0 int len sizeof arr sizeof arr 0 bubble sort arr len int i for i 0 i len i printf d arr i return 0 8 选择排序 8 include void shell sort int arr int len int i j temp min index for i 0 i len i min index i for j i 1 j len j if arr j arr min index min index j temp arr i arr i arr min index arr min index temp int main int arr 3 6 1 0 5 int len sizeof arr sizeof arr 0 shell sort arr len int i for i 0 i len i printf d arr i return 0 9 字符串 strcpy 9 include void mystrcpy char dst const char src int i 0 while src i 0 dst i src i i dst i 0 int main char src hello world char dst 100 0 mystrcpy dst src printf s dst return 0 10 字符串 strcmp 10 include int mystrcmp const char s1 const char s2 int i 1 while s1 i 0 i return s1 i s2 i int main char s1 hello world char s2 hello worldyou printf d mystrcmp s1 s2 return 0 12 binshow 函数 include void binshow int num int len int i for i len 1 i 0 i printf d 0 x1 printf n int main int num len scanf d d binshow num len return 0 13 字符串 strchr include char mystrchr const char str int c while str 0 if str c return str str return NULL int main char str hello world char key l char p mystrchr str key printf index ld n p str return 0 14 字符串 strrchr 14 include char mystrrchr const char str int c char