{
char first[20] = {0}
char second[20] = {0}
char key[20] = {0}
//input
printf("please input first word:")
scanf("%s", first)
printf("please input second word:")
scanf("%s", second)
//begin
bool found = false
for (int i = 0 i < 20 i ++)
{
char tmp = first[i]
if (tmp == second[0])
{
found = true
}
if (found == true)
{
int len = 0
int l = i
int j = 0
for ( l < 20, j < 20 l ++, j ++)
{
if (first[l] != 0)
{
key[j] = first[l]
len ++
}
else
break
}
for (j = 0 j < len j ++)
{
if (key[j] != second[j])
{
found = false
memset(key, 0x00, sizeof(key)/sizeof(key[0]))
}
}
if (found)
{
printf("the max keyword is: %s \n", key)
break
}
else
printf("can not found the key word!! \n")
}
}
return 0
}
//囧，代码写好回来一看居然已经有推荐答案了.....#include <stdio.h>
#include <iostream>
#include <string.h>
#include <stdlib.h>
#include <windows.h>
#define MAX 80
char buff[MAX+1]
char first[4]
char last
bool spellCheck()
{
int p = 0
while(buff[p] != 0)
{
if(buff[p] >'z'||buff[p] <'a')
return false
p++
}
return true
}
bool syntaxCheck()
{
int len = strlen(first)
if(len == 3)
{
if(strncmp(first,buff,3) == 0)
return true
else if(strncmp(&first[1],buff,2) == 0)
return true
else if(strncmp(&first[2],buff,1) == 0)
return true
}
else if(len == 2)
{
if(strncmp(&first[0],buff,2) == 0)
return true
else if(strncmp(&first[1],buff,1) == 0)
return true
}
else if(len == 1)
{
if(strncmp(&first[0],buff,1) == 0)
return true
}
return false
}
void getWord()
{
do
{
printf("请输入一个全小写的单词,和%s匹配\n",first)
scanf("%s",buff)
if(!spellCheck())
{
printf("拼写错误，请输入一个全小写的单词......\n")
continue
}
if(strlen(buff) == 0)
{
printf("请输入一个单词......\n")
continue
}
return
}while(true)
}
void start()
{
FILE *fp = fopen("D:\\1.txt","w")//<--------这里改输出文件的路径
int len
first[0] = rand()%26+'a'
first[1] = 0
last = rand()%26+'a'
printf("a1:%c a2:%c\n",first[0],last)
while(true)
{
getWord()
if(!syntaxCheck())
{
printf("输入的单词不符合要求，请重新输入......\n")
continue
}
else
{
fprintf(fp,"%s\n",buff)
len = strlen(buff)
if(buff[len-1] == last)
{
printf("%s末尾和a2:%c匹配，所以游戏结束\n",buff,last)
break
}
else
{
if(len >= 3)
strcpy(first,&buff[len-3])
else
strcpy(first,buff)
printf("匹配成功，请继续输入......\n")
}
}
}
fclose(fp)
}
int main()
{
srand(GetTickCount())
start()
system("pause")
}
