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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#include <stdio.h>
#include <ctype.h>

int compare(char A[],char B[])
{
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}
int main()
{
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 * *  ******* *    *         * 0;
}
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Case 3: 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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**** *    **     *  * * * *  ** * **  ********** **  * -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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** **   ** ** *   ** *  *      *** * *****   * *


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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)
*** *   *** *****  * * * *
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*  * * **  *    ***** ** 
 *** **  *  ******* **    *   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;
*  ** *  ******* **   * ** * *  *   *  * * *  *   *   ** * *     * *  ****     **
   *** **  ***  *    ***    ** ****    ** **  *  ******  * 
*   ** *   *  ** **   *****  ***  *  ***   ** * ***  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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  *  *  *  ********* *  *****  ***   *** **  ** {
 ** ** *  * *** *** *     *  * ** **** **  *    ***  *   * **   * **** **   ** &A[k]);
*   ***  *  *      **  **  *  
* * *  ***** ** * ****   **** *    ***  {
*  *******  * ***** ***   * ***  **  **   ** * ****   ** *   ****  * *    &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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