Question

c语言编程问题，请高手解答！！问题是这样的—— 给出一个字符串和多行文字，在这些文字中找到字符串出现的那些行。你的程序还

Answer 1

#include

//转小写

char tolower( char c)

{

if( c >='A'&c<='Z')

return c-'A'+'a';

}

//大小写敏感

bool findstr( char * instr, char * findstr)

{

char *s = instr;

char *t ;

while(1)

{

t = findstr;

while( *s != *t *s != '')

s++;

if( *s == '')

return false;

while( *t == *s *t != '' *s !='')

s++,t++;

if(*t == '')

return true;

}

}

//大小写不敏感

bool findstr_i( char * instr, char * findstr)

{

char *s = instr;

char *t ;

while(1)

{

t = findstr;

while( tolower(*s) != tolower(*t) *s != '')

s++;

if( *s == '')

return false;

while( tolower(*s) == tolower(*t) *t != '' *s !='')

s++,t++;

if(*t == '')

return true;

}

}

//主函数

int main()

{

char str[100];

char tarstr[100];

intcount;

intflag;

inti;

scanf("%s",str);

scanf("%d",&flag);

scanf("%d",&count);

for( i = 0;i< count;i++)

{

scanf("%s",tarstr);

if( 1 == flag findstr( tarstr, str))

printf("%sn",tarstr);

if( 0 == flag findstr_i( tarstr, str))

printf("%sn",tarstr);

}

::fflush(stdin);

getchar();

return 0;

}