[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 | 4.1k views

20 Answers

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Hidden content!
#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
Case 2: Wrong output
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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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 (114 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)
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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[])
{
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***    * *****   * *** * *  * **    *  *  key);
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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.
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
 *  *** *** *    **  ** ****  **  ***  **** *** ***
*   ** *  **   **   *  *    *  *    *** * *   *  *    ****  * ***    **   * ** * *     
** *    *    ** **   ***  * ** *  *** * ***   **      * *  * * *   *  *  * ** ***  *** 
*****   * ***** *****  ***  *
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 ** **  *** **      ***   * *  
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**  **  * **  *** ** * ***
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**  ** *  *  ** ***  * * **    * **   *   * *    ******  *   < %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];
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***      *  * * *  *  * *****  * * s1 to s3,s2 to s4
***** *     * ***  * *****       ** 
 ****** ***  ***  * *  *** ***     *
* *** **     * * *   *    **** s1 to ALL uppercase
*  *   ** ** * *    ***** ** * *   **  *  *** *** ***
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*****  * * * ***   **  *    *   * ** s2 to ALL lowercase
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  *** * *** * *   **     * *** ** ***  * *   *   * *  ** *** **      * ***  *   ****** ** 
 *   *  **    * *****  **   ** *****  ** ** *****   * **  ***    * **  * ** ** *   *  ** *  * * *
  **** ****    ** **** *     
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**  * * *     **  * ** **  * *
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 *  *** *  ** **     *** * **** 
*  *** ******   *  * * ***    *  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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