[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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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
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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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}
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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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commented by (4.3k points)
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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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commented by (4.3k points)
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Hidden content!
#include <stdio.h>
#include <string.h>
int main(){
** **  ** ***  *  ******   *  ** s1[1000];
** ** * *   *  *  **   *  ***  *** s2[1000];
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 * * * *     ***** *  ** ** i;
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*****  ***** *  *  **** ** ** *   * * *  * %s",s1,s2);
  ***    ***** ****** **   **   * s1 to s3,s2 to s4
*   *  ***     ** **** *    *
*  ***  * *** *    ** *  ** *******
 ******* *** **   *    *  * *** *    s1 to ALL uppercase
***    *******      ***      **  * * **    * * 
*  * * ** *  ** * ****      ***  * * **  **  **** ** * ***   * ** ** * * ** ** ***
* **  * *  * * ***  * * **  * ** **  ** ***** *  *** **  *****  * * *** *  **   
    }
****   **   * * *  *  *    *    *  *** s2 to ALL lowercase
  *   * * * * * ** *  *  **   *** * *  ***** ***
**  **     *   *   ** ** **** ***   ** ***   * **   * * *  *  ** ** * **   * *     * *
*   * **    * **** * * * * *  **   *      *  **  *     ***       ** ***** ** **  *****  *
** *** ** **   * ***  * *
* *   ** *** * ** *  * * *   **     *  s1,s2(be converted to all uppercase)
 *  * ** ** ** ** ****  **  * ***  * ****  *
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* *  ***  *  ** ** * **   
**** ** * * *  * *** * **** if(strcmp(s1,s2)<0){
 ******    *** *** ** * *  ******      ***  *  *  ***   **** * > %s",s3,s4);
* * *** ****** ****  *** * * 
 **  ****** **  *  ** * *** if(strcmp(s1,s2)>0){
   **     ***  ****  *** *  ** *  ** ** **  **** *  *     ** *   * ** < %s",s3,s4);
   ** * *** *   ***  ******
* *   ** *    * ** *  *** * 0;
}
answered by (194 points)
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commented by (4.3k points)
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