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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    }
}
int main (void)
{
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}
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#include <stdio.h>

#include <string.h>

int main()
{
* *   ** * ***** ******* **** lenght1,lenght2,c;
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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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}

int main()
{
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 ** ***  *  *    * *  ****  ** *** *   * *  is a prefix of %s",p,s);
** ***  *        *** **
  **     *   *** **  ****    * *   *  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];
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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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   * *     *  * *  ** * * * * * *  **  
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 *   *   **    * *****     * ** 
}
int main(void)
{
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*****   * * ***   **    **  ***
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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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#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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