[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 | 8.2k views

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#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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commented by (4.3k points)
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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);
                 ^
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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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  ** **   *** ** **   **** **  *  *     **  ***  *   **   * *  == *  *** **   );
 ****** *   *  }


*  *  * * ** 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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