1-4 Exercise 1: String compare function

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Each string will have two strings (string A and string B), each sub-string has 5 characters. 

Write a program with a function compare(string A, string B) for comparison

輸入兩個字串(string A, string B), 每個字串有五個字元

寫一個compare(string A, string B)函數。不能用字串函式庫

If String A == String B returns 0

If string A> string B returns 1

If string A <string B returns -1

Do not use string libraries

Example input:

gamesbegin

Example output: (because g>b => 1)

1

Example input:

iamigiates

Example output: (because m<t => -1)

-1

 Example input:

111qq111qq

Example output:

0

Remember: You may correct the cases, but your code always be revised! 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (5.2k points)
ID: 40713 - Available when: 2018-01-04 18:00 - Due to: Unlimited
edited by | 8.1k views

53 Answers

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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
*  **    * ** ***         * *  a_sum=0,b_sum=0,i;
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* * *  * * * * ** **** ** ** *   i<5; i++)
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* * *   **   **     ** * * * *

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  * ** *******  * * ** *  (a_sum>b_sum)
 * ****** ***   *   ** * * 
 * ** *  *  **  ******   *   *      **  ** *** * ** 1;
    }
* *     *   ** **    ***** ** if(a_sum==b_sum)
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}

int main()
{
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//compare(A,B);
*    *   ****      ***  ****** *   *
}
answered by (-336 points)
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Case 0: Wrong output
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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
  **  * *   *   **  ** **  * * a_sum=0,b_sum=0,i;
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* **** *    *** * **** *** 

****** *       ****     ** *  *  printf("%d\n",a_sum);
**** ***   *  * * ** * ** **    * *     **  *  **  * *


* * *     *  **** * *    * ****  (a_sum>b_sum)
 *  *     **   **    * **   * 
   * *  *** ** *    ****  * * **   * ***  *  *  ** *  1;
* *  * ***  ***  *** ** * 
     * ***   * ** **  ***   ******   if(a_sum==b_sum)
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 ***    *    ** * *  * ***  ***  *   * *  * 0;
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** *** * *** *** *  **** ***  *  *
    {
 ** *  **  *    *  *  *   * ******* * * ** ** *  **  -1;
*** ** **   *    * **   *
}

int main()
{
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* *  *  * * *   * *     *  * **    *  **
//compare(A,B);
****      **** *   ** **   ** * ***  **
}
answered by (-336 points)
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prog.c: In function 'compare':
prog.c:12:16: warning: multi-character character constant [-Wmultichar]
         a_sum+='A[i]';
                ^~~~~~
prog.c:13:16: warning: multi-character character constant [-Wmultichar]
         b_sum+='B[i]';
                ^~~~~~
commented by (4.3k points)
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Hidden content!
#include ** ** *  * ** *

int compare(char a[], char b[])
{
** ***** *     ** **   *  * * i=0; i<5; i++)
**   ******  *  *    *   *** *
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    **   *  * * * *  *        ** * *   ****** ******* *  * if(a[i] < b[i])
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   **  *  *  *** *  *  *  

 *  **** ******* * *  ** ** * * * **** 0; // eq
}

int main()
{
 ** *     **  * *    ***    ***  a[5],b[5];

** ** *** *     * ***     * * * *    *    *  a[i]=getchar();
** * *** * * *  ** * **  * * ** * **    *****    * b[i]=getchar();
      ******  * * *   ******  ******  **  * compare(a, b));

****           *  *  ***    0;
}
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Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
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0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
 **    *  **   ** * * ** ** * **  a_sum=0,b_sum=0,i;
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*  * ** **     * ** ** * **   *   *  *****  **       ** *  *  
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*  **  ****   **  *** **  *   * **     printf("%d\n",a_sum);
  *  ***  *  *  *** **     * *** ***  **    ***** * * 


** * ** **   **   * *    *  * (a_sum>b_sum)
** ***   ***** * **   * 
*** *       * **  * ***  ************ ***      *** * 1;
  * *****    **  **  *****
* * * * *   *     *  *   *  if(a_sum==b_sum)
** *** **********  * *   ******
  ***   ****  * *  ****  ** ******** * *** ** -1;
** **  ****** *  * **  * * *
   * ***    ** * ** *      *
    {
*          ** **  ** *  *    * * ** **     **   0;
*  **** **  *   **    ****  ***
}

int main()
{
     **   * * *  * *  * ** * * *** ****  
 ***     * ****   ** **  *   ******  ** 
//compare(A,B);
 *****   *** **  *  ***  * ****
}
answered by (-336 points)
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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
  *** *  **  **      *   ***  a_sum=0,b_sum=0,i;
 *** ***  *   ******* * * *    **   * **     ***  ** ** * ***     **     ** *  ***
 ***  * *** *  * ******** ** ***   * *  *   ****  * 
  * *  *** *    * *  *** **   i<5; i++)
*   ***   *  * *    * ** ***  *
***      ***   ** * *  **   ** ** * *  *******   ***  *  ***  
***** * * *****  *  **  * *** ***    *  *    ***  * * * *     
**** * *******  *** ** **** **

* **    *  * *** ** ** ** * * *  *  *  printf("%d\n",a_sum);
  * * **   * *** ** *  * * *  ****    *** ***       **** *


***    * *   *  ** * * (a_sum>b_sum)
*  ** *   ** *  ***    ** 
**  ****  ****  * *  * **** *  *  **  * **  * ***  * 1;
 * * ***   *  *  * *  ******
****  * ******   **    *   if(a_sum==b_sum)
 * *    * ** * **      ** * *
**      **  **    ** *   * **   *** *   ** ** ** 0;
***     * **  *  ***  **      
*   ***  * * ** * * ** *  *  *   *
    {
* ***  ** ****  * *      * * *** ****     * -1;
***          *  * *     ***
}

int main()
{
* **********  * * **   ***      ***  *
 *  **     * *   **  *** * * *   ***  **
//compare(A,B);
****  ****  *  ***** **   ***  *   *
}
answered by (-336 points)
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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
***     **   **   ****** * **     a_sum=0,b_sum=0,i;
*   ***     ** **  ******  *   ***  ******* *    * **     *****   * * * 
*  *****   * * *  *  **   * *   **   ****      * 
*    ***  ** * * *   * **  ***** i<5; i++)
 ***  *  * *  * * ** ** ***
 **   *  **** *** * ****  ** * **  *** ** * *   ***  
* ********* *  **   ****         *** * * **  * ** * *   ** 
***  ***  * ** * ** ***  ** *  

 **  * **   *  ****** * **  *  *  printf("%d\n",a_sum);
*   **  **** *  **    **    * *  ** * *   *  ** 


* * ** ** * ****** *  *  (a_sum>b_sum)
*   *     **  *       *    *****  
  *** * * *  * ***   ** *    ***  ** *  ******** 1;
**** * *        ** *  *** **
   * * *** **  *  * * * * * **  if(a_sum==b_sum)
**  *** ** *      *    *   *  
*****  *   ** ***  * * *    ***  ** **  *  **  *   *   0;
  **  *  *  ** * **    * **   * *
  **   ******* *   * *    **** *
    {
 * *  * ***  ***  *     * * *  *******   ****  -1;
  ** *  *       **** *   *** *
}

int main()
{
 ** *   **  ** * **** ***    **  *
   *  **  * ** * ** *     ****  ** * *
//compare(A,B);
  *** ** **   * *  **** *  * *  *
}
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Hidden content!
#include <stdio.h>
int compare(char a[],char b[]){
*** *   ** * * **      * * *  ** c[26]={'a','b','c'}
    int x,y,i;
    * ** ** *****  ** ***        ** *  ***** *
  ******       *     * ***   * * * **** * ******  *   ****** ** 
* * * ** *   **    **  * *** ****     *** * ****** *          * **
****   **   **  *   * ****** * * **  *  ***** * ** * **** **  ***  *   *
***    *** **  * ** ** * ** ** **  *  *** **  *    **   **   *   *** * *  ***  *       1;
     **   *  *   *    * *      **   *****  **   * **
  * *      ****    **** *  * ** *   **   **   ** **  ****    if(x<y){
     *      * *** **** ** **** * *** ** ** *  ***** ** **  *       * *** * * ** *    -1;
*   ** ****  ** **  * **** *** * * *  **** *
    }
 **  **  ***   * * **** **  *** **  0;
}

int main()
{
 **   *** * **** * * ** * i;
** ********* * ** * *    * *  * a[20]={},b[20]={};
 *  *   **      ****   ***** ** ****** * *  **    ****** 
* * * *  *    *  ** **   *    **    
*** *   ***** *  **    *     *****   * ***     * 
* * **  *    *  * *  **  *   * * * 0;
}
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Hidden content!
#include <stdio.h>
int compare (char A[],char B[])
{
**       ** ***  **** *****  count=0,i;
   * **  ** *  ***** * * *  * *     ** (i=0;A[i]!='\0';i++)
    {
  ***  * ** ** * ****  * * * ** *      **   ****  *       * *      *  *
  ***  *   *  * ***  *** * *  * * ** ** **** * * ***** ** **   **
  **  *     ****     * **    *****  ****** ***  **   ** * ***** **  **     ******   * ** * 
  * ** ******    *     ** * ** *    ** * **   ******  *******  *   *  ***   * **** ***  
         *    * **  * *  ** * *   ***  *   ** ** ****  
   *  *  *** ********     *
*   *  **  * *  *  ******* *  ******  **
**   ***  *  ***    ** * * **       **  ** *  **   * **   1;}
* *****  * ** **  *  *  *  ** * if(count<0)
   *      *****  ***** ***    **      **  *  * *     ** * -1;}
 ***  **** *****  *   *  *   * {return 0;}
    }
int main()
{
  **    *** **    * ** ** *  * *** count;
* *** ** ****** **    ****  * A[6],B[6];
*        ** *  * *  ** *  ** *  ***
 **    *** *  * *  *** *   **  * *** ***
** *   * ** ***   * * **   *   *******   **     **    *
  **** *** * * ** * ***  *  0;
}
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Hidden content!
#include<stdio.h>
char A[5],B[5];


int compare(char A[5], char B[5])
{
* **  ** * ** ***  * *   * a_sum=0,b_sum=0,i;
  ** * *  *   **   * **   **   * *  *    * *** * *    ** *  *   * ** * * * 
 *   ***  *  * ****  ***** * **   * * ***  ** *  * *
** *  ** * ** **   ***  ** ***   i<5; i++)
   ***           *   *  * 
 *   **  *  ** **  *** ** **  * *     ** ** **  **  *   ** **
**     * **   ***    **  * ***** ****** * **    **** *** **
**  ***  * ** * ** **  * ***  * *

   **     *      * ** ** ** * *** *   printf("%d\n",a_sum);
***  ***    ***  *  * ***  *     * ***    *  * *   ** *


* * ** **** *  **********   (a_sum>b_sum)
*  *  **** ** ** ******* *  *  
 * ** *  ***   ***** *  ****   **** *  *   ** *  1;
 * * *  *** ** ***** **   
       *** * *   * ****     * if(a_sum==b_sum)
 *       ****       * **   * *
 ** * *****   *  *    *  **  *   *****  *****  **** ** * * *   0;
   *****  *  ***   **** *
   **   ***  *  *  * **   
    {
*  * *  * * ** * * **  *  **   * ****  *     * ** ******* -1;
*    *    **  *  **  *** *  
}

int main()
{
** *   *** *    *     *** *  * * * * ***   *
 * * ** * ** ***  *  *  ** *   * *  **
//compare(A,B);
**** * *****    * ****         *  **  
}
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Hidden content!
#include<stdio.h>
#include<string.h>
char d[5],f[5];
int d_total=0,f_total=0,i;

int main()
{
* ******* *** **  **   **    * * * * * ***
*   * *  * *  * **  *  *** **  *   *    


  **   ***        * ** *    i<5; i++)
*  * *  * **  * *  *  *  *
*** * * *  *       *****  *      ** * *** **   * ** ***** *  ** 
* ****   **** ******    ***  *  *    **  **  *** * *     ** *  
    }
 ***  *   **   *  *   ** ** ***  (d_total>f_total)
 *   *      * *      ***** ****** 
* * **    ** ***  * **  * ******** * * ** *    * * * * * *  * *  * ***** * *  
   *     **  *  ***** *   *** *
 *   * *    **** ********* ***       if(d_total==f_total)
*** *  *  ***** * *** **  *
 **  * **  ***  ** ********   *     **** ************    **   **  *** ****     **
    ** *****  * ****  ***     
 *** ** ** ***  *  *** *   ** *
*    * * **   * *    **   * 
      *******   ****    *   *     **  * **  *** ***** * ****** *****
* ***  *** * *** * *  ****  
 **** *      ** * * **       *  0;
}
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