[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 | 5.7k views

20 Answers

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#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
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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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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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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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Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k 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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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[])
{
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*  *** ******* ***   * * ** * ** * * *  *****  key);
         *  * ** **   *   **  ***  ** *  
*** *  * * * *     ** * * **  
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  *  *   *     ** **   *        **  * *    ****    ******  *
     * *    *  **** ****  *** * **  *  ** *   *  ***  * ** **   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
 * * ** **     *    *** * ***  *** *** *     ** 
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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 (212 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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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
 * *  ** * **  *   *  **  **    s1[1000];
*  ***   *    *   *  **** s2[1000];
*** * ********* **   *   *  *** s3[1000],s4[1000];
***  ** ****   ***     **   ** *   i;
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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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* **  **   *  ** *   * * *  
 *      **  * * ** ***  *  *     ** if(strcmp(s1,s2)<0){
  *   ** *   * ** *    **   *  ***   ** *  ** **       * *  > %s",s3,s4);
* *****  *** * ***   *   
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*      *** ** *** **  *** * * * ** **     *    * * * *  *  *  *  * < %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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