[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 | 3.4k 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
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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)
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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);
                 ^
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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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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 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)
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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;
   *  *    **         ** 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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