[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 | 5.2k views

20 Answers

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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: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
Case 2: Wrong output
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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commented by (4.3k points)
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commented by (4.3k points)
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answered by (114 points)
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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 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k 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  *** ***  *  ***
#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.
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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 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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