1-11 Exercise 3: Prefix of a string

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A string p is a prefix of a string s if the leading characters of s are identical to p. For example, "abc" is a prefix of "abcde". Develop a function prefix that checks if a C string p is a prefix of another C string s.

p是s的前綴若s開頭的一段字串等於p。例如，"abc"是"abcde"的前綴。寫一個程式 判斷字串p是否字串s的前綴。

Example input 1:

abc
abcde

Example output 1:

abc is a prefix of abcde

 

Example input 2:

bc
abcde

Example output 2:

bc is not a prefix of abcde

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (12.1k points)
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#include<stdio.h>
#include<string.h>
char prefix(char string1[],char string2[])
{
    int i,s;
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    {
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    }
}
int main (void)
{
    char chaine1[1001], chaine2[1001];
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******  ***    ***     *  * ** ***  * * *****
  **   *** **    ** *  **  *** * 0;
}
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Hidden content!
#include <stdio.h>

#include <string.h>

int main()
{
*** * *    ** ** * *   ****  lenght1,lenght2,c;
*  **  *  *   * ** ** ** * **** b[100];
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 * *** *  ** **** * *  * * * 
 **  ** ****   ***    * **   * 0;
}
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Hidden content!
#include <stdio.h>
#include ** **  *  *   ** 
#include **  *  * **  **
//#include <ctype.h>
#define n 100
int aa(char A[],char B[])
{
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}


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{
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*  **   **     *  **  ***    **** 0;
}
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Hidden content!
#include ****   * **      
****     *   **** *  **  
int main (){
char * *  
char *    
***    ***** ***** string1:  *** *
 * * **  ** ***  ** **    
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else
   ** **     ***** *** *  ** *    ** ***  is not prefix of  ****  * **  **    ***

return 0;
}
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prog.c: In function 'main':
prog.c:7:9: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[100]' [-Wformat=]
 scanf("%s",&string1);
         ^
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Hidden content!
#include * ***  *  ***   ** 
#include *  ** ** * *** *  ** 
#include  *  * ****   * * 
#include *  * ** * * * 
int prefix(char p[],char s[])
{
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*   * *   * ** *   *   
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}

int main()
{
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** *  *  *****  ****** 
****    ****  ** **   * * **  *** *   ****  is not a prefix of  ** ** **** 

** *  ***  **   ** **   0;
}
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#include <stdio.h>
#include *  ** * * *   * 
int main()
{
* *  **** *  **        ***  *** length1,length2,c;
*   *** *** *** *    ** *     * **  a[100];
***  * *   *   **** **  ****  * b[100];
**  *** ** ** * ** *  ** d[100];
****  **  * *   *  *  *****      ****** ****   ***   * 
********* **   *  * *  ***  *   **** * * **   *   
 **********  ** * *** *** *  ** *** ** *
**  * * *    ** *  *  ** * *   * ** ** *******  
if (strcmp(a,d)==0)
**** **** ** ****   *****
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  *  *    *    **   ***  **
 **     * ** * *  **    0;
}
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Hidden content!
#include   ** **  * * ** * 
#include * * *      *   

int prefix (char  * *   str2[])
{
       *  *** ** ***   **   * ** length=0, *******  
* *****   *  *  * 
*   * * * *  * * ** *** **  ** =      * **  **
 **  * ******** **    ** *  
 * ***   **         * ***** * * **  *  * **  *
   *** * * *  * ** *   ******    **    *  * **** ***
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***  *  **          *  *  (count == length)
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 ********  **    * **  *** else  ** ** **  * 0;  **** **  *  *  **  
*  * *   ** * **** ***     * 
}
int main(void)
{
  * *   *   *  ** * ** ***** ***  *  *  * 
**  *  *  *  **  ** * *** 
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**** ** *  *  *******   *** *   *   **   ** ** **  
*   * *  *  *  {
**     * ****  ***  *   *   *  ******  * *****    **  **  * *  is a prefix of    * *** * str1, str2);
 ** *   *** *   *      * 
   * *** * * ** *  **    *  
  *  * *      ***  **  *  ****   **  *  *   *   ** * * *     *  is not a prefix of     ****  str1, str2);

*   ** ** **    ** **  * ****  ** *   *  0;
}
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#include *** ** * *   * 
#include   **  * ***   *
#include ***  *   * **  

int main()
{
*** * **    * *  **  *     ** ***    prefix[100];
 ** *  **  ******* *   *** ** word[100];
*  **   *  *** * * **    ***  *** ***  %s", prefix, word);
**  *  * *  *  *    *   ** i;
*** * * *   *  * *** ** ****** *** *  = 0; i< strlen(prefix); ++i)
*******  *   **   *   ***  
  *  *    ** * **  **   **   * * *  *****  **     **  *  * ** *     
 * **** **** **          ** *  *  ***  ** ***   *  *    ** *
* *  *   **   *  ******  *  ******* * *  ** * *** **      * *     ***     *      **     *  *  **  * is not a prefix of %s", prefix, word);
** *   * ***   * *      *   *   ***  ***** **   * * *****  ****   * * ** * **  * ******  * * *   * 0;
     **  ** * ** * * *  * *  *** ****  *** *  *   ***    
*** *  * ** * * *********
****   **  *  *  *   ******* * * *   is a prefix of %s", prefix, word);
 *****  ** * * *  *    *** * *  * * 0;
}
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Hidden content!
#include  * *  * * *   
#include *    ** *  ** **   * 
#include ***   *       **   

int main()
{
* ******   *  ** *    ** **     prefix[100];
******** * *  ***  ***  * ** word[100];
**  *    *      ***  ***    ** ***    %s", prefix, word);
 *    ** * *   *   * *** *** i;
**  **    *     * * * **  ***    = 0; i< strlen(prefix); ++i)
 **   * ** ********* *      
* ** * *  * *  *** *   ***   * *  *    *  **** * * * *     * ***
*    **   * *** **  * * *   **** * * *   ** *    * *
***  ******* ***   *   **** *  **  ** **    *        *  **  *   * ****  **  ***  **  **  * is not a prefix of %s", prefix, word);
  *  *    ****    *** *  ** *   *** ***** * * *  *****   *  **   * **   * *** 0;
*  * **    ******  *   * * ********  ** *  * * * * ** *  *
 *   * ** ** * *   *  **** 
  **   * *     ****  **   **** *  *****  * is a prefix of %s", prefix, word);
 *     *   *  * *    * ** ***  0;
}
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*  *  **         
 **  *** *** *   * *
 * *  ****   ** ** * 

int main()
{
*** *   *  char   *** **
** * ****  * * ** char **** ***
 * * *         ** ** ** *   * * *      *  ** ** word);
 **      *  *   int i;
 **    *  **   for(i = 0; ** ***  * ***  ** ++i)
  *****  ****    {
*** *    *  ** *** *** * * **     * ****  
  ***** ******      **   *      {
**  * *     * * ****** ** ***   *  *****     ****  ***     * is not a * of  *       *    word);
* *** *  *       ***   * **  *   *  *  **     **  0;
*****  * *  ** * ***     **   }
   * * ** * ***   }
*  *   ** *  *    *  *  *****   is a prefix of * **  *    *  word);
  *      *   *   *    0;
}
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