[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 1: Wrong output
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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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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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}
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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 2: Wrong output
commented by (4.3k points)
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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Hidden content!
#include *  *   * ** *
#include   *** * **  * *

int **       char str[], const char key[]);

int main()
{
***      **  * *  **   str[1000], key[1000];
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   ** * * * ** * * *  * **
** ***    **      * ****** * * *** ***  *    %d * ** **  * count(str, key));
   *    *     *   * * ** * 0;
}

int count(const char str[], const char 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];
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*****  *   * * **** * ** ** 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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****  *      **      ****   if(strcmp(s1,s2)>0){
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*  * * * **  *** *     * *  * 
 *   *** ***    *** ** **   *  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(){
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*   ****  * * ***   *   *  ** s2[1000];
*      *  *  *** **   ** *  ** s3[1000],s4[1000];
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* **  * **** ****    **** **  *    **** %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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* *     **** * ********   ****      s1,s2(be converted to all uppercase)
     *  **** *  ****** *  *****  * * * *** 
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 *       * *  * ***  ** 
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  *  **  *** **     *** ***** ** **     ** *****  *   ** * *    *   > %s",s3,s4);
   **** *  ******* * *  
* *    * ** *  **** ** ** *   if(strcmp(s1,s2)>0){
   * ** ** **** *******  * *     * ***    ***** *  *   *  *** < %s",s3,s4);
  ** ** **   *  * *  *****  
*** *    *  * *** *    ****   0;
}
answered by (194 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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