[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)
0 0
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)
0 0
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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Case 1: Wrong output
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Hidden content!
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answered by (100 points)
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Case 0: Correct output
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Case 2: Correct output
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Hidden content!
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answered by (100 points)
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Case 2: Wrong output
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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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Case 0: Wrong output
Case 1: Wrong output
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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)
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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[])
{
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 *   ** ***** **** **  *  **  **  * * *** key);
*** * * *****    *   *  *****    ** * *  *  
 * * ***  **   **  *** * *   *
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 ** *  ***  * **  ** ** *   ** * * **   * * *   key);
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}
answered by (190 points)
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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
 *  **      * ** ** *** *  ** ** ***  **** ** * *
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    ** *    *    *** * *     *    *     **   * ** **    * ***   **   *  ****    ** 
    }
*  * ****  ** *****     *** *   s2 to ALL lowercase
 * * *** * ** ***   ** *  **   ***    ** *  
    * ** ** ****** ****** *  *  ***  * *   *   ** *   * **  * ****  ** **    ** ** ****   *  ** *
 *   **   ***  * *  *    ***   ***  * ****** ** *  **   * ****  * ** **  ****** *
 * **     *** *** *   ****
   *  *  * * * *   * *  **** * s1,s2(be converted to all uppercase)
  ***    ** * ** * * **** ** **** * 
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  *** * **    **  * **    ** 
*  **    ****    *  * ****** *** 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
  *** *     *** **      * *   *  *** *    *   ** 
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*   **  **  * * ** * *  *      ** * *  * * *   ***    * *    *** *   * * ** *  **  * **
    }
***   *  *  ***** ***  * ***** *  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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