[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 | 3.5k 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
Case 2: Wrong output
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);
                 ^
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
commented by (4.3k points)
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commented by (4.3k points)
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}
answered by (100 points)
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Case 2: Correct output
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answered by (100 points)
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Case 0: Wrong output
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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)
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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