[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 | 6.5k views

20 Answers

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#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
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Case 1: Wrong output
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commented by (4.3k points)
0 0
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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);
                 ^
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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
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* * *         * ** }


**        * *** * ** return 0;
}
answered by (114 points)
0 0
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)
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(){
**   *   ***** *** *** * **** 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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