[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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Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
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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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answered by (215 points)
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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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Hidden content!
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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 1: Wrong output
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commented by (4.3k points)
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Case 0: Correct output
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Case 2: Correct output
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)
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);
**  * * ******* **
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* **    * *  *** * *  **  ****    *   * * * *  *  ***     *  ** **  *  * < %s",s3,s4);
    ***** * ****  *   **** *  * *  **
 **   * ** ***   ****  *  **  0;
}
answered by (212 points)
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Case 2: Correct output
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
** **     ****     *     **    * **   * * *     ** ***
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   *     *   **  **** * **** **  *   *****  *  *   ** **** **** ***   *  *   *  * ** * 
    }
**    *    * ***  ** *   **   * * * * s2 to ALL lowercase
  *****  *      ******  * * **     ***** * *     *
*  *  ** * * **    *****  ***  * * ** *******  **** ***** **  * **  * * *   **********
** ** * **   *  *   *** **    ****  ******  *  *  ********   * ***  *  * ****     *   *   
 **** *****     * ***  
  * * *  *  ** ** *   *** **  * s1,s2(be converted to all uppercase)
****   *    *****   *** ** *  ** * * * * 
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** *** * * * * *  * **  *  ** *   *
*  *  * * *  *  *  *   *   * *** 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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