[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 | 4.1k views

20 Answers

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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: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)
0 0
Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
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commented by (4.3k points)
0 0
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)
0 0
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()
{
**     * ** *     **     ** a[1000]={'\0'},b[1000]={'\0'};
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answered by (236 points)
0 0
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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answered by (215 points)
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prog.c:1:1: error: expected identifier or '(' before '.' token
 .
 ^
commented by (4.3k points)
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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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commented by (4.3k points)
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}
answered by (100 points)
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Case 2: Correct output
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answered by (100 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
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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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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*   * **  *  *  * 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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