[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 | 4.3k 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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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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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);
* *** *** *********  * ** * *
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}
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.
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);
*  *    *** * * * *  **   
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* *   * * **  *    ** *  **  **  *  **  * ** ***    *** *     **  **  > %s",s3,s4);
 * * *  *    ***  * *  **** 
  * *    ** ** *   **  **      ** **   if(strcmp(s1,s2)>0){
* *  *  *  *** *  *** * ***  **  **** ****** ** * **  *  * *     < %s",s3,s4);
** **  **** ** *  *****
*  * * *** *  *   *  **  *****   0;
}
answered by (212 points)
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Case 1: Correct output
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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];
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  *** **  **  **  *      * *  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);
   **   * **   **    * *  *  
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****  *     **       * **  * * *** *  *  ****     * ** **    * *  * * < %s",s3,s4);
* *      ***** **   * ***    *
 *   *    *  *  **     ** *  *     0;
}
answered by (194 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
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