[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 | 5k views

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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)
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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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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commented by (4.3k points)
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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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Case 0: Wrong output
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[])
{
* *   **** ***    *** *  ***         *  * *  * 
*  * * *********** ***  ** **   ** **  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)
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];
**** **** * * * **** *   ** ** 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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