[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 | 5.7k views

20 Answers

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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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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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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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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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