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

int compare(char A[],char B[])
{
  **  *  ** ** *   ** *  i;
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}
int main()
{
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** ***** ** * * ***** **    **   0;
}
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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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**  ********  **** ***   *  *   * 
   * * *   *******   ** *  * **  *  *  **  * *** ** * -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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    {
** * *        *  ***  *   ** *  * **  ** * **  * ** *  -1;
    }
}
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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* * *  ***  ** ** **    * *
    *    * *******    * *      
    {
  * *   *** * * *****      *   ** * * * *  * * ****  ** -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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    }
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    }
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 *  ***  **    *** **  ** ** ***  ** * *   ****** *   ** *   * *  -1;
**   *    ** ** *    * *** 
}

int main() {
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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
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Case 3: Correct output
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Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
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