[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 | 3.4k views

20 Answers

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Hidden content!
#include <stdio.h>
int main()
{
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}
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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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Case 0: Wrong output
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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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Hidden content!
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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)
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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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