[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 | 4.2k 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
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)
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()
{
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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!
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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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Case 2: Correct output
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answered by (100 points)
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commented by (4.3k points)
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commented by (4.3k points)
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}
answered by (114 points)
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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)
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.
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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 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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