[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 | 7.4k 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)
0 0
Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
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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);
                 ^
commented by (4.3k points)
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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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}
answered by (100 points)
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* ***       ** **   ****  ***   *     * **  **     **  ******   ==   ** *  * );
  *  ***  *  *    }


    ***  ** *   return 0;
}
answered by (114 points)
0 0
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)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
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);
 **** ****** *        *  * **
  **    ***     *  *****  * * * if(strcmp(s1,s2)<0){
 ***  * * ** ** ***** *  * * * **  *  * * **   ***  ** ** > %s",s3,s4);
** ** * * *** ****     ***** 
 *  * * *** *****  * *   **  * if(strcmp(s1,s2)>0){
   *    **   **  * * *  ***   * * * ****** * *** ***  **** **** ** *  < %s",s3,s4);
*   *     *  **** ***      *
 * *  * *   **  **   ** * *  ***  0;
}
answered by (212 points)
0 0
Case 0: Correct output
Case 1: Correct output
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
*** *   ****  ******  *****      *** **   * **  
* * **** *          * * *  * *    **** *    **    * **   * * *  *****  **** * * *   * 
  ***     ** ** ***   ***  * **  * ***  **  * * **** * * ****** **  **** *    *  * *   *    *  ****
    }
**   **  * * * *  * * * *   *   *   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)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
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