c试题讲解.pdf

1 2011 CPROG222 C 编程 数组 a 升序 数组 b 降序 要求 合并成为数组 c 升序 include define N 5 define M 8 void fun int a int b int c int i 0 j M 1 k 0 while i 0 c k a i b j a i b j void main int arra N 5 10 15 27 46 arrb M 50 45 42 29 15 8 5 2 int arrc N M k fun arra arrb arrc printf array arra is for k 0 k N k printf d arra k printf narray arrb is for k 0 k M k printf d arrb k printf nresult arrc is for k 0 k N M k printf d arrc k getch CPROG202 C 编程 完成函数 double fun double x int n 使 fun x n cos x 1 x 2 2 x 4 4 x 6 6 可 将main 内 的scanf lf d 屏 蔽 即 scanf lf d n 10 看结果是否为 cos 60degree 0 5 include void main double x int n double fun double x int n 2 printf Please enter x n scanf lf d printf cos lf lf n x fun x n getch double fun double x int n double sum x1 y1 int i fh x1 x x y1 1 2 fh 1 sum 1 for i 1 i n i sum sum fh x1 y1 fh fh x1 x1 x x y1 y1 2 i 1 2 i 2 return sum Cprog232 c 编程 完成函数 int fun int a 使其返回数组 a 内次大的数 include define ROW 9 int fun int a int i t max max2 max a 0 max2 a 1 if max max2 t max max max2 max2 t for i 2 imax2 max2 a i if max2 max 3 t max max max2 max2 t return max2 void main int arra ROW 45 58 78 60 40 20 30 28 31 int max pre i max pre fun arra printf array arra is for i 0 i ROW i printf d arra i printf nmax pre is d max pre getch CMODY202 C 母串中提取一定长度的子串 改好了 输入 welcome 回车 再输入 2 空格 3 回车 得到子串 elc include include void main char str 100 sub 100 int m n len i printf Enter string gets str printf nEnter m n scanf d d len strlen str if m 1 n len printf Can t run with d and d n m n else i 0 while i n sub i str m i 1 i sub i 0 printf sub string is s n sub getch 4 Cmody201 c 改好了 求最大 n 使得 2 2 4 2 6 2 n 2 1000 include include void main int n 0 sum 0 while sum 1000 n n sum n n printf n d n n 2 getch CCon222 c 改好了 要求输入 n 比如 5 输出如下矩阵 n 5 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 17 16 21 22 23 24 25 include include define M 10 void pnt int a M M int n int i j for i 0 i n i for j 0 j n j if i 2 0 a i j i n j 1 else a i j i n n j printf array a n d is n n for i 0 i n i for j 0 j n j printf 3d a i j 5 printf n void main int a M M int n printf Input n 2 n And n1 include include void main double x int n double fun double x int n printf Please enter x n n scanf lf d printf fun lf n fun x n getch double fun double x int n if n 1 return x 1 fun x n 1 else return x 6 Cmody221 c 结构数组 输出平均分 及最高分的学生姓名 include structurestudent 改为 struct student char name 10 float score void main struct student stu 8 Mary 76 John 85 Tom 81 Susa 87 Wilu 79 Yili 65 Sonmu 73 Lichar 70 int i 0 mrk float total 0 aver max max stu 0 score mrk 0 while imax max stu i score mrk i i 修改为 i aver total 8 printf naver 2f n Best is s n aver stu mrk name getch Ccon191 c 完成填空 输入 a b c 构成三角形 如 3 4 5 回车 面积 12 include include void main float a b c d area printf Please input 3 numbers n scanf f f f if a b c area sqrt d d a d b d c printf area is 2f n area else printf Not Triangle n getch Ccon212 c 填空 a b c 为区间 1 9 内的整数 求满足 a b c a c c 560 的所有 a b c 的组合 include void comb int m int a b c for a 1 a 10 a for b 1 b 10 b for c 1 c 10 2 sqrt 2x 1 with x in 1 10 3 x for x 1 include include double fun float x if x 10 return log 3 x else if x 1 return sqrt 2 x 1 else 8 return fabs x void main float x double y clrscr printf Please input a number n scanf f y fun x printf f 2f 2f n x y getch Cmody222 c 字符串升序 改好了 选择排序 include include define ROW 5 define COL 30 void fun char s COL int n char temp COL int i j for i 0 i n 1 i for j i 1 j0 strcpy temp s i strcpy s i s j strcpy s j temp void main int i char str COL DEF BAEELCS FHIAME CBADF APMAE fun str ROW clrscr for i 0 i ROW i printf s n str i getch 9 Cprog212 c 编程 Fun 统计两个字符串小写字母个数的差 方法 1 include int fun char str1 char str2 int c1 0 c2 0 char p1 str1 p2 str2 while p1 0 if p1 a if rela 0 printf Numbers of Lower char in s Numbers of Lower char in s str1 str2 if rela 0 printf Numbers of Lower char in s Numbers of Lower char in s str1 str2 getch 10 编程 Fun 统计两个字符串小写字母个数的差 方法 2 include int fun char str1 char str2 int c1 0 c2 0 i 0 while str1 i 0 if str1 i a i return c1 c2 Ccon192 c 完成填空 大车 8 吨 中车 3 吨 微车 1 吨 50 车载 100 吨货 总共的方案 include include int fun int big median small n 0 printf big median small n for big 0 big 13 big for median 0 median 2d 2d 2d n n big median small 11 return n void main int num num fun printf n There are d solutions n num getch Cmody191 c 计算 1 到 100 的偶数之和 include include void main int i 1 int sum 0 while i i 100 if i i 2 2 continue sum i printf Sum is d n sum getch Ccon201 c 完成填空 求 100 到 300 之间的 x 使 x 8 5 且 x 7 4 且 x 5 2 include void main int n for n 300 n 100 n if n 8 5 if n 4 7 getch 12 Ccon202 c 完成 Swap 函数 交换 2 个整型变量 如输入 2 3 得到 3 2 include void swap int p1 int p2 int sum sum p1 p2 p1 p2 p2 sum p1 void main int x y printf please input 2 numbers n scanf d d printf nOriginal x d y d n x y swap printf nNow x d y d n x y getch Cmody192 c 将方阵 a 的左下三角 不含主对角线 加 4 右上三角 含对角线 乘 2 include define N 5 void main int a N N i j for i 0 i N i for j 0 j N j a i j i 5 j 11 printf nArray a is n for i 0 i N i for j 0 j N j printf 3d a i j printf n for i 0 i N i for j 0 j i j a i j 4 for i 0 i N i for j i j N j a i j 2 13 printf nArray a is turned n for i 0 i N i for j 0 j N j printf 3d a i j printf n getch Cmody232 c 改好了 1 121 12 898 21 include void main int i j k for k 1 k 9 k for i 0 i 9 k i printf for i 1 i 1 j printf d j printf n getch Cprog221 c f x y y 2 x y x in 1 2 y in 0 6 整数放 arr 0 小数前 2 位放 arr 1 比如输入 1 5 2 则 x 1 5 y 2 f x y 9 0 include include void fun int arr double x int y double t y 2 pow x y arr 0 int t arr 1 int t arr 0 100 14 void main int y double x int arra 2 printf Please enter x 1 x 2 y 0 y1 0 printf npart1 d part2 d arra 0 arra 1 else printf x or y is out of range getch ccon002 c pi 4 1 1 3 1 5 1 7 1 10001 include stdio h main double pi 0 long i sign 1 for i 1 i 10001 i 2 pi 1 0 sign i sign sign pi 4 printf f n pi getch cmody001 c 从字符数组 str1 中取出 ascii 值为偶数且下标为偶数的元素 运行结果 str1 4AZ18c Ge9a0Z t 4z8z include include 15 include include void main char str1 100 t 200 int i j j 0 clrscr strcpy str1 4AZ18c Ge9a0z for i 0 i strlen str1 i if str1 i 2 0 j t j 0 printf n s n str1 printf n s n t getch cmody002 c 2 yuan for cock 1yuan for hen 0 5yuan for chicken How many combinations exist such that cock hen chicken 100 cock 2yuan hen 1yuan chicken 0 5yuan 100yuan include include int fun in