[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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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
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commented by (4.3k points)
0 0
Case 0: 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);
                 ^
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
 .
 ^
commented by (4.3k points)
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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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answered by (100 points)
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Case 2: Correct output
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answered by (100 points)
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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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 *   *   * * *    **  * *     **  *** *     **    *** ==  **** * * );
  ** **     **  }


 *  *  *** * 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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