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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{
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}
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Hidden content!
#include <stdio.h>

#include <string.h>

int main()
{
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}
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Hidden content!
#include <stdio.h>
#include   * ** *  ** **     
#include ** * ** *   * *
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#define n 100
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}
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Hidden content!
#include        * *  * 
****   ** * * **** *
int main (){
char  ** ** ** 
char    * **  
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else
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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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{
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 ********* **  **  ***   *    *** *  * is not a prefix of  * * ****

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

int prefix (char *  * **  str2[])
{
* ****** *   *****    *  * length=0,  *  *  *
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}
int main(void)
{
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*     * ** * ** *  *   *   **   0;
}
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#include ***** *        
#include *    *********** * *
#include ****   ** **  

int main()
{
  *           ** * * * *  **** prefix[100];
* *  *  **  ***  * *** *   * * word[100];
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 ** *     **       ** * ****   * i;
 * ** ** **  ***  *     ***      *  *** = 0; i< strlen(prefix); ++i)
 * * ** ** * * * * ** **   **
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 *  *    * * **  **  * * * **     * *    *** ** ** ***
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  *** *  **** *     * *** ***  ****  * * *  * * *   *  *  *   ** * *   * *   *  *  * ***** 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)
**  **** * ***     **** *   *
 **  * * *    *   ***** **** *****     *** *   *** * **   * * **  
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 **    ** **     *  ** ** *      * * ** **       ****   
*** *** **** ****** *    ** ** 
 * **   *****     ********     ****** * is a prefix of %s", prefix, word);
  *     ****        ** * *** * 0;
}
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***** *    ***     *   *
 ****    **   ***   
 ** **  ** * ** * * ** 

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