[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
Case 2: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
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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prog.c: In function 'main':
prog.c:14:10: error: assignment to expression with array type
     tempb=tolower(b[i]);
          ^
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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)
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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];
*****  * * ****** * *** ** *  *** 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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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)
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commented by (4.3k points)
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