[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 | 6.9k views

20 Answers

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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);
                 ^
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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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*  * *   ** * *  ****  * *  *  * ** * ***** **   **   ** ********** == *** ** ** * );
*****      *  ** }


*  ** **  **  ** 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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