[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 | 5k views

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Hidden content!
#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)
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Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
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Case 0: 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);
                 ^
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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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Hidden content!
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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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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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