[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

20 Answers

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#include <stdio.h>
int main()
{
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answered by (236 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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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);
                 ^
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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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}
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}
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)
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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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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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