[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 | 2.9k 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
Case 1: Wrong output
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commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
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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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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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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)
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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);
 ** ** **** * *  *  **     
    * * ****  ***  *** * * *   count;
}
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)
**     *    **** *   ** *      *  ***  *   ***
*      *  **** *  ** *** *  *** *  * ** *** * **  *     ***** **   *   * == %s",s3,s4);
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*   ** ***  *** * *  ***   *  ***   ***        *     ****   < %s",s3,s4);
* **        ***   *   *** *
  **   ****     *  *     *      0;
}
answered by (212 points)
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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
 *** * *    * **** *   *   *  s1[1000];
* *   ** **  ** **  **    * * * **   s2[1000];
 *  *  *****  * *   *  s3[1000],s4[1000];
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  *   **  ** ** ***** ***** * * *  ** s1,s2
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** *  ** * ***  *******  * *** * 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);
 *  * * *    *   * **    * * 
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*** * **   * * *  ***    *   ** ** * * **** * ** ***    *   *****  > %s",s3,s4);
  * ** ** ** **  **** **
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*  * *   * *    *  ****  ** **     ** ** * **   *  * * **** **  *   < %s",s3,s4);
 * * ** ** *        *     **
* * **   *   **  *  * *** ** 0;
}
answered by (194 points)
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commented by (4.3k points)
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