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
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53 Answers

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


int compare(char A[5], char B[5])
{
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}

int main()
{
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}
answered by (-336 points)
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Case 0: Wrong output
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#include <stdio.h>
#include <ctype.h>

int compare(char A[],char B[])
{
* ****  * * *** * * * ***** i;
  ****  ** ***     * **    (i=0;i<5;i++)
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}
int main()
{
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*** *** * *** *  **    *    **   * *  0;
}
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Case 3: Correct output
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Case 0: Correct output
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Case 3: Correct output
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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;

main()
{
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}
answered by (-167 points)
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prog.c:6:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
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Hidden content!
#include<stdio.h>
char A[5],B[5];
int a_sum=0,b_sum=0,i,r;

main()
{
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    }
}
answered by (-336 points)
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prog.c:5:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
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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;

main()
{
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}
answered by (-167 points)
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prog.c:6:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
commented by (4.3k points)
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Hidden content!
#include<stdio.h>
char A[5],B[5];
int a_sum=0,b_sum=0,i;

main()
{
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    {
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    }
}
answered by (-336 points)
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prog.c:5:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
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Hidden content!
#include<stdio.h>
char a[5],b[5];
int a_sum=0,b_sum=0,i;

compare(string A, string B)
{
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    }

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*   ***           *******     *   *
*** **    *  **** ** ** ** *
***** * **    *   *** *  * *   ***       * * *  *   *  -1;
*   * * ** *** ** * *****   
}
answered by (-336 points)
0 0
prog.c:5:9: error: unknown type name 'string'
 compare(string A, string B)
         ^~~~~~
prog.c:5:19: error: unknown type name 'string'
 compare(string A, string B)
                   ^~~~~~
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Hidden content!
#include<stdio.h>
char A[5],B[5];
int a_sum=0,b_sum=0,i;

main()
{
** ** **** ** ** **  * *  * * *     ** ** * *
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** *  *   ** *     * * ** * (a_sum>b_sum)
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* ** * *** *** ***** *
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    {
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    }
}
answered by (-336 points)
0 1
prog.c:5:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
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Hidden content!
#include<stdio.h>
char A[5],B[5];
int a_sum=0,b_sum=0,i;

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


* ***** * *   * * *** *   (a_sum>b_sum)
   ***  * ** *   ****
 **   *  *  **** ** ***  ** *     ***  ***  **** 1
*** ** ***  ***  ** * ****  **
*    ***      *   ** ****      *** if(a_sum==b_sum)
 * ** ***     ** **** *  *** *
*  *  * ***   * * ***  * * *** *  *  * *  ***   0
*     *    **  *   * *  * * *****
*    * **  **    * *** *  * * 
    {
  * **  *     * *    ***  *   * **    *** *****   * * -1
    }
}
answered by (-336 points)
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prog.c:5:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
prog.c: In function 'main':
prog.c:23:8: error: 'returns' undeclared (first use in this function)
        returns 1
        ^~~~~~~
prog.c:23:8: note: each undeclared identifier is reported only once for each function it appears in
prog.c:23:16: error: expected ';' before numeric constant
        returns 1
                ^
prog.c:27:16: error: expected ';' before numeric constant
        returns 0
                ^
prog.c:32:5: error: expected ';' before '}' token
     }
     ^
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Hidden content!
#include<stdio.h>

int compare(char A[], char B[]) {
*   *   ** *** ***  * * *   i;
***  ***   **   ***   **      *   * *      {
**  ***  ** **  *  ** *    *    **  *  **  * * ** * * *   ***** ** * {
**  ** * * *   *  **    * * ** ********  *      * *  *    * *     *    * ***  1;
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    * * *     *   *  ***  *   * * * *  ******  *   *
* ******  * *     *  * ***** * ** *** ** *** ** ****   *  *   if(A[i]<B[i]) {
***       *  *  ** **     **** *    * *  *  *         **  *  * * **   ** **  ****     ** -1;
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    }
**   * *  *** * * *  *  *  **    {
     *******   *  **   ** **   ******   **  *  *** ** * 0;
    }
 *  *    ** ***   *     ** ** *** if(A[4]>B[4]) {
 * ******* *  *  *   **    ** ** *** ******* *  *  *   *  *****   1;
    }
**  **** *    *** ****  ***   if(A[4]<B[4]) {
  **  * *         ** *    * * ** ***   ** *** * ** ** ****  *   -1;
  ** *  **  **  **** ******
}

int main() {
*  ** *       ***  **** * * *  A[5], B[5];
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* * *     *  *  ** * ** *** ** * **  * ** {
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**  *** ** *  ******   **  ****** ****   **** * ** *   ** **** *   *** * &B[k]);
    }
*  * * *     ** **   **    ***  *  **  ***    * compare(A, B));
}
answered by (-120 points)
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prog.c: In function 'main':
prog.c:7:18: warning: implicit declaration of function 'compare' [-Wimplicit-function-declaration]
     printf("%d", compare(A, B));
                  ^~~~~~~
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Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Correct output
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
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