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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Hidden content!
#include <stdio.h>
#include <ctype.h>

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

int main() {
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**  *  **** *** *** ***  ***
*   *     * *   *** *   **  **  ***  *    {
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    }
 **** *  ** * *      ***  ** ** * ****  * *   compare(A, B));
}
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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
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
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