[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 | 2.9k views

20 Answers

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#include <stdio.h>
int main()
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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)
0 0
Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
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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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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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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)
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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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commented by (4.3k points)
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