[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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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
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Case 1: Wrong output
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commented by (4.3k points)
0 0
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)
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)
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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!
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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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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)
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Case 2: Wrong output
commented by (4.3k 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  **  ** * ****
#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[])
{
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***   ** *** ******   *      * *  *** key);
**** * *  ** *   *     ***  * * **  
*  ***  ******* *  **   *
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**  * ***    * *   **     ***  **** ****  *  *** ** **   
**  * *   * **   *  ******    * * *****  * ***     *  *   ******   key);
*  * * **  * ********   *
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}
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
**   ** **   ** * ** ***  *** *  *  * **   **  *
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  * ***   ******* ** ****    *   *** ** ** * **  *  * **  **    **** *   
    }
   * ***** * *** * ** *        s2 to ALL lowercase
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*  **  *  *     ***    *** **  * ** **   *** *** ******   *  ** ******   ** * ***  ****  *
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  * *   * ** **   ***     ** * 
*     **  *  * *  ** *  * ** *** *  s1,s2(be converted to all uppercase)
* *  ***** ***  *   * ** *  ******   *   **
*  ***    **  ******  *     *     *  ** *  ** *   *   *** *****   * *  * == %s",s3,s4);
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*** *    * *  * *******  * **     * *  *  **   *        ** ***** > %s",s3,s4);
* * **  **  *  ****** ** 
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***  **  *** * *** *   * **** ****  * *   **  * *  *   ** * *******  * ** < %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];
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*     ***  ***  ***    * ** * ** s3[1000],s4[1000];
**  * **** *  *  ****** **   i;
*** ** ***    * ****** **** * s1,s2
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  ****   **     ** *   * ****    * s1 to s3,s2 to s4
* *  *  *   ***   ***  **** *** *    
* * *  ** *  **    *  * ** *  *  * ***** *
  *   *****  *   ** *  ***  ** *  s1 to ALL uppercase
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* ** * *** **       * *****   * *********     *   * *   ******   ****** *  *** *   *   **
    }
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 *    * ** * ** *      ** ** **** *** *  *  *  * * *
  *** * **  **       ***  *     ***  *  *** *  * *****  *  *  ** *   * * *   * * * *   ** 
   *****  ** ***  *      *** ** ******  **   * *    *** * *** *  * * ***    ** *     **   * 
     *** **   *       * * * * **
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*  ** **    *   ** * *  * **** * * **  * *****  * * **       *   ***  == %s",s3,s4);
   **  * *  ** ** ******* **** 
** ***  **  *  *     * *   * * if(strcmp(s1,s2)<0){
**** **  *     **    ** ** **   ****  ***     ** *** ****   > %s",s3,s4);
  *  *** * ** * * * **  *
* ** ****     *  * *** *  **     * if(strcmp(s1,s2)>0){
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** *   **** *** *  *** *** 
*   ** ** * *  *   *   * *   ** ***   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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