[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]';
            ^~~~~~
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);
                 ^
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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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Case 2: Wrong output
commented by (4.3k points)
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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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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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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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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