[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)
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)
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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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}
answered by (100 points)
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answered by (100 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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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);
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* ****** *  * **  * **  * ****  * * ****    * *  ********    key);
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}
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
***  *** ****** ***** ** *  * * ** * * *    *   *   **
     **      *  * * * * *    *    *  * **    *     ** ** ***** *  ***   * * *  *   ** **
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* *   **  ***** **  ***  ***
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 *** *  **  ****  ** * * ** ** 
*   * **    **  *   * **   ** * 0;
}
answered by (212 points)
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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(){
** ***         **          **     s1[1000];
* *    * **** *  ** *  *     s2[1000];
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 **  *        ***  ***  ** *   * *  
**** * ** ** ** *   ****  ***       * *
** *   ***   *** *    * * ***** s1 to ALL uppercase
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    }
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 * **  **    * * * ***   * **   ***** ******  * * ***  *       **   * **  *     ** * * 
 *  * *  *** **     **  * *     *    ** ** * * *** ****** ***  ****    **  *    * **    * ****
  *  **  ***   ***  ******
  * * * **     * ***** *   *  ** s1,s2(be converted to all uppercase)
***   *  ***   * *      *  ****   ****
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**     ** **** ***   * **  *
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 ** ***    ** ******   ** 
*** *** ** *** ** **   ***  * 0;
}
answered by (194 points)
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Case 0: Correct output
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commented by (4.3k points)
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