[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 | 5.7k views

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