[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
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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)
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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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}
answered by (100 points)
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}
answered by (100 points)
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}
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)
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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: 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.
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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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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)
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
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