c语言单词本的新增，删除，查询，按顺序显示
#include<stdio.h>
#include<string.h>
#define SIZE 100
int addword(char p[][20], int n);
int findword(char p[][20], int n, char *f);
int delword(char p[][20], int n, char *f);
void display(char p[][20], int n);
void menu();
int main()
{
char myword[100][20];
char word[20];
char choice;
int count = 0;
int pos = -1;
do {
menu();
printf("Please input your choice:");
scanf("%c", &choice);
getchar();
switch (choice)
{
case '1':
count = addword(myword, count);
break;
case '2':
printf("Please input what you are looking for:");
gets(word);
pos = findword(myword, count, word);
if (pos != -1)
printf("It's the %d word\n", pos + 1);
break;
case '3':
printf("Please input what you want to delete:");
gets(word);
count = delword(myword, count, word);
break;
case '4':
display(myword, count);
break;
case '0':choice='0';break;
default:
printf("Error input,please input your choice again!\n");
}
} while (choice);
return 0;
}
void menu( )
{
printf("----------1.增加单词------------\n");
printf("----------2.查询单词------------\n");
printf("----------3.删除单词------------\n");
printf("----------4.显示单词------------\n");
printf("-------------0.退出-------------\n");
}
int addword(char p[][20], int n)
{
int i, j;
char pos = -1;
char flag = 'y';
char tmp[20];
while (flag == 'y' || flag == 'Y')
{
if (n == SIZE)
{
printf("Word list is full\n");
break;
}
else
{
printf("Iput your word:");
gets(tmp);
pos = findword(p, n, tmp);
if (pos != -1)
{
printf("the word exits!\n");
break;
}
else
{
if (n)
{
for (i = 0;i < n && strcmp(tmp, p[i])>0;i++);
for (j = n;j > i;j--)
strcpy(p[j], p[j - 1]);
strcpy(p[i], tmp);
n++;
}
else
{
strcpy(p[0], tmp);
n = 1;
}
}
}
printf("Another word?(y/n):");
scanf("%c", &flag);
getchar();
}
return n;
}
int findword(char p[][20], int n, char *f)
{
int i;
int pos = -1;
for (i = 0;i < n;i++)
{
if (!strcmp(p[i], f))
{
pos = i;
break;
}
}
return pos;
}
int delword(char p[][20], int n, char *f)
{
int i;
int pos = -1;
pos = findword(p, n, f);
if (pos == -1)
printf("It'not in myword list!\n");
else
{
for (i = pos;i < n - 1;i++)
{
strcpy(p[i], p[i + 1]);
}
n = n - 1;
}
return n;
}
void display(char p[][20], int n)
{
int i;
if (n)
{
for (i = 0;i < n;i++)
puts(p[i]);
}
else
printf("There is no word in myword list!\n");
}
结果如下
