[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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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)
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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);
                 ^
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Hidden content!
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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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}
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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);
*  * *** * *  ***  ** **   
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}
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(){
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* *  * ** *** ** ***** *** *  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)
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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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