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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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 0: Correct output
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Case 3: Correct output
Case 4: 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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}
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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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    }
}
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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()
 ^~~~
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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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    {
*** **  *****  * *** *** ** * ** **   * *  *** ***   * -1;
    }
}
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)
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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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    }
}
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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**    *    * * * **** * *  (a_sum>b_sum)
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*  *   **** *    ** ** *** *  **  
** **  **   * ** *   * *  if(a_sum==b_sum)
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    {
* *  * **   * *** *     * ** * **** *    **   **  *  *  -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;
 ** * ****  * * * * * **  *  * ***  **  * * * {
*      ** *** **   * * ***    *       *    ** ** **** * * * ** *  {
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   ********** *** *    *   *** ***      ***** ***  * **  ****  *  *  **  * *  * *  **  ** *
    * * * ****  ******** * ***** *   *    *  ** ***
****   **  *  ***  *****   * **   *  **  * **** * * **   *  if(A[i]<B[i]) {
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 ** * *   ***  *  *  *   *   *   ******  * ** *   * ** *    * ** **    *  *** * ** ***  *   *
  ** *   * ***     *         *****    **  * **   *
    }
 * ** *  ***  **  ** * **       ** {
  **  ********     *** * * **  ****  **  ******** ** *    0;
    }
* ** * *   ***  *  **    * *  if(A[4]>B[4]) {
** ** *      * * * ** ** * *******  ** **** * *    ** * 1;
    }
***  ** * *   *** * * *   if(A[4]<B[4]) {
 ** * **   *  ** ***    ** ** ** *     *  **     **** ***  -1;
* * **** *** * **  * *  **  * **
}

int main() {
* *   *   *** *    ****** * ***  A[5], B[5];
** * * * *   *  *  ** * ** ** k;

 *  *** *  *** **   ** **   ** **   ** *     {
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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 1: Wrong output
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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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