[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 | 5.3k 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
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
Case 2: Wrong output
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)
0 0
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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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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answered by (100 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:14:10: error: assignment to expression with array type
     tempb=tolower(b[i]);
          ^
commented by (4.3k points)
0 0
Case 0: Wrong output
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Case 2: Wrong output
commented by (4.3k points)
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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];
 ** **** *  *** * *
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 *  * ***  *  ***  ** **  ** **  **** ** **  * *  %d  * ***  ** count(str, key));
** *     *    *  ***  *     0;
}

int count(const char str[], const char key[])
{
* *  * ** ***  **   **   * *   * *  ****    *    *
*  *********  *   ****** ** * * ****  key);
 ** ***     *    ** * ***** *  ** * * *
******   *    *  *  * * **   *
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*** ***   *  *  *     * *    
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}
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.
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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
 *   ** ** *  *** * ***   ***  * * * **
*  * * **  * ** *  ******* *** *   ** *
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*  *   * * * *   ** *    * ***   **  * ***   
**  ** *   ****  **    ** * **    *    ** ***** **    * * * **    *** *   ***  *** **  *   ****
* *******  **  *** **** ** * *  *  *   *    * *   * **  * *   *  **  **  **  *   **  *
    }
** **  ****  **  ** *     *   s2 to ALL lowercase
**  *  * ******* ** *** ** **   ** ** *  **  **  
* ***   ** * *** *** *   * *   *  * *    **  * *** *  ****** ******* **** *  *  *  *
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****    *  * ** *    *** * **    s1,s2(be converted to all uppercase)
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** * *  ** ***      *   ***
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* *** **    * *  * ***  ** **  *** *  * * ***   ** *** * ** * *** * *** > %s",s3,s4);
*****    *** **** *     ** 
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** * ** * **    **     **** * 
*** **   *    *** *  **      * 0;
}
answered by (212 points)
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Case 0: Correct output
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Case 2: Correct output
commented by (4.3k points)
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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
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*  *    *** ***** * *** ** *  *  s3[1000],s4[1000];
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* ** ** ** ** ****  ** s1 to s3,s2 to s4
 *   **   *   *  ***   * *  * ***
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       *  * * ** *  ** * *  *    s1 to ALL uppercase
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  **** ** * * **** **  * *  **   * * * ****  * ******* **  ******    ** * *  ***** ** * **
    }
** ****** * ** *** *  ** **  *    * s2 to ALL lowercase
  *   **** ***  **   * ********  **   ***  ** * *  * *  *  
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***   *  *** * **  ** * * ** 
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     *** *        * * *    * *  ***  * *** ***
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 **  *      ***** *  **   
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** **    ** * **** ********  ****  * ****  *   *       **** **   *  > %s",s3,s4);
     *  *  * ****   ** *
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* ********   **    * *****    *   * *  * ****  **** * *  *     *** ** < %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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