[AD] 20171116 作業 2

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字串比大小

字串也是可以比大小的，通常都是透過ASCII碼來判斷字串的大小

請寫一個程式依照下列的規則判斷字串的大小

1. 不分大小寫 "a" 跟 "A" 一樣大

2. "a" > "b"

3. "a" > "aa"

輸入說明：

會輸入兩個字串，臉字串間用空白隔開

輸出說明：

請依照範例輸出兩字串的大小關係

輸入範例1：

book cook

輸出範例1：

book > cook

輸入範例2：

being be

being < be

輸入範例3：

include INclUdE

輸出範例3:

include == INclUdE
[Exercise] Coding (C) - asked in 2017-1 程式設計(一)AD by (18k points)
ID: 33758 - Available when: Unlimited - Due to: Unlimited | 5.3k views

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#include <stdio.h>
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prog.c: In function 'main':
prog.c:11:12: warning: multi-character character constant [-Wmultichar]
         x+='a[i]';
            ^~~~~~
prog.c:15:12: warning: multi-character character constant [-Wmultichar]
         y+='b[j]';
            ^~~~~~
commented by (4.3k points)
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Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
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Case 0: Wrong output
Case 1: Wrong output
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prog.c: In function 'main':
prog.c:11:12: warning: multi-character character constant [-Wmultichar]
         x+='a[i]';
            ^~~~~~
prog.c:15:12: warning: multi-character character constant [-Wmultichar]
         y+='b[j]';
            ^~~~~~
commented by (4.3k points)
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Hidden content!
#include <stdio.h>
int main()
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answered by (236 points)
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prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
     scanf("%s %s",a,b);
             ^
prog.c:7:16: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int *' [-Wformat=]
     scanf("%s %s",a,b);
                ^
prog.c:11:12: warning: multi-character character constant [-Wmultichar]
         x+='a[i]';
            ^~~~~~
prog.c:15:12: warning: multi-character character constant [-Wmultichar]
         y+='b[j]';
            ^~~~~~
prog.c:17:14: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
     printf("%s %s",a,b);
              ^
prog.c:17:17: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int *' [-Wformat=]
     printf("%s %s",a,b);
                 ^
commented by (4.3k points)
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Hidden content!
#include <stdio.h>
int main()
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answered by (236 points)
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prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
     scanf("%s %s",a,b);
             ^
prog.c:7:16: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int *' [-Wformat=]
     scanf("%s %s",a,b);
                ^
prog.c:11:12: warning: multi-character character constant [-Wmultichar]
         x+='a[i]';
            ^~~~~~
prog.c:15:12: warning: multi-character character constant [-Wmultichar]
         y+='b[j]';
            ^~~~~~
prog.c:17:14: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
     printf("%s %s",a,b);
              ^
prog.c:17:17: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int *' [-Wformat=]
     printf("%s %s",a,b);
                 ^
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answered by (215 points)
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prog.c:1:1: error: expected identifier or '(' before '.' token
 .
 ^
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/usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
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prog.c: In function 'main':
prog.c:14:10: error: assignment to expression with array type
     tempb=tolower(b[i]);
          ^
commented by (4.3k points)
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Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
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commented by (4.3k points)
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Hidden content!
#include  ** *  *        * 
#include *** ***  * * * **

int  *  *  char str[], const char key[]);

int main()
{
  *** *  ******  **  ***   str[1000], key[1000];
**    *   ** ****     * **
  * *        ***  *       
  ****  * * *    * *    ** * *   **  **** ***  *  ** %d    ** ** *  count(str, key));
    *  ***** **  * *   **** 0;
}

int count(const char str[], const char key[])
{
*  ** *   * * ****    **  * **  * **** ***  *
**    ** *** **   ** ****** * ****   *  ** ** key);
**   *****  *  **     **   *  **** * * *
** **** **  *  *  ***   * *  
*   *  *  * *  * * **  **  * **** ** *  ***  *** *        *     
   * **** *    * * * **  ***    ******    *   * *  **  * 
  **  * *    * *****  *  **** ***  *** **  * **  key);
****  *   *  *** * *   **  *  *  * 
*** ** *        *** *  *  count;
}
answered by (190 points)
0 0
prog.c: In function 'main':
prog.c:9:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(str);
    ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
prog.c:10:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(key);
    ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/cc24SSNn.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
**  *    * **** ** * **    * s1[1000];
** *** **   *     ** ***  ** ** s2[1000];
  * ** *  * ** *  *   * * * *   s3[1000],s4[1000];
* * * ** * ***  * ** **  ***  i;
*   **      ***** **** * *** *** * * s1,s2
*  *  **   ***  * * * *  *   *     *** %s",s1,s2);
** ******* **   * *   * *  * s1 to s3,s2 to s4
   *****     ** * *  * ** * *   ** **  *
  *  * ** *    ******   *  * ****    
  * ***  *****  *** * **  * **** ** s1 to ALL uppercase
**   * * ****        ** ** *    ** * * *    *** *** 
  *******   ****  *** * * *  *    ***  * ** * **** * **    * *  ** **** **   * *    ***  * **  
   **    *   ***  *  **   *     * **   *   ** *  *  *    **   **  * * *  *  * **    
    }
* **    * ***   **  **  *  **    * s2 to ALL lowercase
****  *   * ****   *    *****  *  ****  *  ********
*** **  **  ** *  *  *******  * ***   ****** ** * * * *   *  * **   ***     ** *     * ** ***
 ** *  *** **  *  ** ** * ** *  **** * *   ********   **   **   *  **   *  *  ** **     *  
**   ******  * *      *
* * **** *  *  * * *** ***     * * s1,s2(be converted to all uppercase)
 *** ** *  * *    ** ***    *  ** *  *  *  **   
***  *  *  * * ***  *     **   ** **    ***       *  **    * * == %s",s3,s4);
  * *   **      ** *******  
 *  **  ** **  ***  ** **  ***   if(strcmp(s1,s2)<0){
  ** * *  ***      *  *** **** ***    ** *  ** **  * * * * ***   > %s",s3,s4);
 ****  * ** * * **  *******  
* ***    *   **** ****  *  *  if(strcmp(s1,s2)>0){
** * * * *  * *  *      ****    * ** *   *      ***** **  *  ***    **   < %s",s3,s4);
********* * *   **   *    
* * ** * * *** * * **  0;
}
answered by (212 points)
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commented by (4.3k points)
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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
 ** **** * *  ****** * ***  *   s1[1000];
**   * **** * *  ***** **** s2[1000];
***** *  ** * *  **** *  *** *  s3[1000],s4[1000];
*** *** *** *      ** *  ** ** i;
 ** * ****    * ***  * **    *** s1,s2
****  **  *** * ** * *** *  * ***** * * %s",s1,s2);
***  ******  * ** * *      * s1 to s3,s2 to s4
 * *  ** *  *  *  *   **   ****  **
*** *  **** *  ** ** *  *   *** *   *
  * *  * *   ** **  **  ***  ***** s1 to ALL uppercase
*  ** * * ********** ** *  * * * **** ***    *** * 
** **  **   *  * ****  **  *****    *** **            ** *   ** ** * ***   *  ** **  **** *  
 *  **  * * * *   ***      * *****  *   *  *  **  **  ****** ***** ** **  * ***  ***   * 
    }
* ** ***********   *** *    **  *  s2 to ALL lowercase
  ****** **  * * * * ***  *  ** **  *****  * * * * *     
* *    *  ****   ******  ** ****** **     ** ***  * ***   * *   * *     * *   ** *   **    ***
 *** *   ** * ***   **   **  *  * **** * *  *  **** * **    ** * * *** ***** **  * * 
** ** * ** **   * *    
  ** * *  *  ** **** ***    *  ** **** s1,s2(be converted to all uppercase)
 * *   * **  * *   * * *  *******    *    
  ** ***  **** * *  * *  *** * **   * ***** *   * *******  * ***  **  == %s",s3,s4);
   * *         *  **** **    **
 **** *  *** **  ** * * **   **  if(strcmp(s1,s2)<0){
  * ***** *    *  *  **** *   **** ** *** * ** *  * *  *  *     > %s",s3,s4);
* *   ** ** ** *  * * * * **
*   ***   *    *  **      **** **  if(strcmp(s1,s2)>0){
  **      * ** ** *  * ***   *   *  ** * **** **  **** * ***  *** < %s",s3,s4);
* * **   ******   * ** * *  
***  *** ** **  *  *  ** * * * ** * 0;
}
answered by (194 points)
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
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