[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 | 5.9k 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]';
            ^~~~~~
commented by (4.3k 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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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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Hidden content!
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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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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
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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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