[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 | 6.3k views

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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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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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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)
0 0
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.
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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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