[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 | 4.1k views

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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]';
            ^~~~~~
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Case 0: Wrong output
Case 1: Wrong output
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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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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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Case 0: Correct output
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commented by (4.3k points)
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