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

* **      *** * **  *   ***  0;
}
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#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];
**   **   *****  * *   *** **   ** * %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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Hidden content!
 *   **           *  *
*   *    ******   *    * 
    ** ** **    * *  ***

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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