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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    *   *  *   *  ****   * ** 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 not a prefix of ****  *     ** 

  *   ** *   **  *  0;
}
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#include <stdio.h>
#include    *   ** *  **
int main()
{
** * *   * ** *  *  * ****** *  length1,length2,c;
   **  *     * * *** *  * a[100];
 **** ** ** * ** *  * ** ** * b[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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*  **  * * *    * * * *      * * *  ** 1;
 * *  ** ** *  *  *** *     * * else ** *        0;   *  ** * * **   
****    *      *   **   
}
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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