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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}
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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}
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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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}
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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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    {
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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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*   *  *** *  ** **   **
***  * ***    ** * ***** *   ***   ***    * ***     * 0;
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 ** ****** ** *   ** * * **** ****  * ***    ***  *  -1;
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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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** ** * *    * * *    ** **      * *    *   * * **    ** 


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**     * **    * ***********  
   *** **** *   * *     *      * if(a_sum==b_sum)
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*** *   *    *   **** ***   *   * **  * *** ***    * 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;
* * ** ***** **  *  * * *** ***** * *    {
 **   * * * ********* * *** *****   ** ** **********  ** * *** *   {
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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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  *  *  *  ** * *  *   * *  * * ** ****** ***  ***     ** *** *  ** * &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
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