[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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#include <stdio.h>
int main()
{
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}
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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]';
            ^~~~~~
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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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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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#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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 **  **   *    **      * * **       * *****  ** * *  ***   == ** *   **  );
**  **  *  *****    * }


* * *   ****  * return 0;
}
answered by (114 points)
0 0
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.
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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