[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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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)
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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
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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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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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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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commented by (4.3k points)
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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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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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