1-11 Exercise 1: UPPER and lower letters

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Write a program that reads strings of up to 1000 characters continuously and displays them, after replacing the lower letters with upper letters and vice versa.

寫一個程式 輸入一個字串(最多1000)  把小寫轉大寫大寫轉小寫

Example input:

With the rise in GLOBAL warming and increasing POLLUTION levels, it is becoming essential to find a viable alternative to the internal combustion engine petrol powered CAR.

Example output:

wITH THE RISE IN global WARMING AND INCREASING pollution LEVELS, IT IS BECOMING ESSENTIAL TO FIND A VIABLE ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE PETROL POWERED car.
[Exercise] Coding (C) - asked in Chapter 13: Strings
ID: 41431 - Available when: Unlimited - Due to: Unlimited
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
*     ***   ***    ** a[100];
*  *** *** ** ** *****  *********  * * 
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    }
  ****  ** ***    *   *   ******** * *   *  ** 
  *******  * *  ******* ** ***  0;
}
answered by (-140 points)
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Case 1: Correct output
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
   *  *    * ***   **   ***    * a[100];
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    }
* ** * * ****  ***  ***          * *    ** * **  * *
 * ** **** *  * * ***  ** **  0;
}
answered by (-140 points)
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prog.c: In function 'main':
prog.c:13:28: error: expected expression before '[' token
         else if(a[i]>='A'&&[i]<'Z')
                            ^
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#include  *  ** *    * *

int main ()
{
*  *    ***  **** ** * c = 0;
  *  *  *  * ****** * ch, s[1000];

     *     **   ***  * *   *  * *** * * * a  **  ** *** ** *
  ****  *      ** *** *

 *****  ***** **   * (s[c] != '\0') {
**      *        **  ****   **  *   ** = s[c];
****** * * **  *** *  *    ***  ** ****   * * ** (ch >= 'A' **   **   ch <= 'Z')
*   **  **  * ** *  ***   **   **** * * *   * ******* **  ** = s[c] + 32;
** * ** * * * **     **** **  ***   *  if (ch >= 'a' ******   ** ch <= 'z')
 *    * * * * ** * ***** * *    ****   *   *** *** * *  * * = s[c] - 32;
*    *   ***  * * * ***** ****  ***     *
******   * * * * *   

 **       *** **  **** * *  **  * * **   *  s);

   **  **   ** **  ****   0;
}
answered by (16 points)
0 0
prog.c: In function 'main':
prog.c:9:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/cckJajTZ.o: In function `main':
prog.c:(.text+0x3b): warning: the `gets' function is dangerous and should not be used.
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#include ** *  * *** * *
**   *       **   * **  
***   * * *       *******
int **** *  
{
char a[1000];
int i,n;

*  *   ***  ** * : * * * ** );
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{
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********  *   ***   **** * *       **  ******
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 ** *** *** ***  *       * *  ******  *    *   * * **
 *** **  *   *** ** * ***  ** if( ( a[i] **   'A' )  ****   * **  ( a[i] *  **   'Z' ) )
** * * *    * *  **      *  ** **    ****   *****  **    * *
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**     *   **   ** *   **** **  *   * ** **** **   *  *
}

printf( *  * *******      a );

*    ** **  * ** *** *
return 0;
}
answered by (-32 points)
edited by
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prog.c: In function 'main':
prog.c:10:1: warning: 'gets' is deprecated [-Wdeprecated-declarations]
 gets(a);
 ^~~~
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:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccbGRkOb.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
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prog.c: In function 'main':
prog.c:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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#include *    **** * *

int main ()
{
*  ** ***    *****     * c = 0;
* *    ****  * *    ** * ch, s[1000];
* ** ***   **   ***** * *  *   *   * s);

***    * ***  *** ** ** * (s[c] != '\0') {
* **** *   **    ** *  ****** *  * *   *** * = s[c];
*    * *****   **  **** *  *** * ***    (ch >= 'A' ** ** * **   ch <= 'Z')
  ***  ***   ** ** ***      ****** **  **  *** **  * * **  * = s[c] + 32;
  * * * *****    * *  ** ***     *** *  * *   if (ch >= 'a'  * *  * ***** ch ***   'z')
 *   * * * * ** * ***** * *** * * * * * * * *  *** ** * * = s[c] - 32;
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 *  **   **  * *********

  ****** ****** *** ***  ***  * * *  *  *** s);

*  ******** ***  *  ** *     ** 0;
}
answered by (-140 points)
edited by
0 0
prog.c: In function 'main':
prog.c:8:5: 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__;
              ^~~~
/tmp/ccEVmRzQ.o: In function `main':
prog.c:(.text+0x30): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:7:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/ccYGFu22.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:7:12: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
    scanf("%s", &s);
            ^
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Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
 ** * **** * * ** *** *****  * * * a[1000];

  **  *    *     * *  *** * ** ** *      ** *  

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    }

*  *** * ** *     * *** *  ** ***   *   *     * * **

** *** *** * **** * ** * * *     0;
}
answered by (-16 points)
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#include <stdio.h>
int main()
{
**  *  * *** *      **   * a[1000];
** *   ***   * ***     ** *** i=0;
 * *  * *   ** ***   ** ** * * * * * * *  ** 
** **** *  * *       ** ** * (a[i]!=0)
    {
* **    *  *** ** *  *  ***   ****  **  *****  (a[i]>64 && a[i]<91)
 *****    ******  *** ***** ********* ** * ****  ** ****  
   *    *     * **** *     **     * **      *   *** *  ** ** *   * **  * * ****  ****** ** *
**      *** ** *     **  **  *  ** * *   **  *   **  
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 ***  ***  **   **  * *   ****  * *  * **  *  * *  ** 
**  *****  * *** * *   ** ** **  **** * * *******   ******   *    *    * * * ***   **  **   
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    }
 **  ****** *****  *    *** ***   ** ***     ****   
*  ** ***  ****    ***         *** * 0;
}
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#include ***  ** ** * 
#include ** *    ** *    * *

void main()
{
*     *  ***    ***     * **  sentence[1000];
      * * *   ***   ***  **** count, ch, i;

 *   **** *  ** ****** * **    (i = 0;(sentence[i] = getchar()) != '\n'; i++)
  ** **   *     ***  * **** 
*** * ***  * ** *         *   *   ****** *   * *
 ** ** * * * ****  * ****
*** *** *   * **  *    **   ******   = '\0';
 * * ** **  *  ** **   *   * ** *   = i;
  ****   ** ** * ***  ***   (i = 0; i < count; i++)
        *****  *   *** * **
*** *** *** *** *  **   *** *  * *  * **** * *   ** **  ***   =     *****    *   ** **  *   * :
* **   ** ** * **
  *   *  * **   ** *****  *   ****** **   *  *    ***      
  * *  *** * *       **   ****  *
}
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**  ** * **  *** 
* *    * ****** * *** 
int  **** *
{
*** ** *** **  ***  char a[1000];
 *  ****  **  *  * *   ****** ****  
*  ** ** **  int i;
*****  *   *   * *   ** * *****   * * **   
 ***** ** **   **  {
 ********  ** *** * **  *****       *  ********** *    *   *** *  
*  * ***  * **  *     {
      **         *  **     *  *     
** ** **       * *   ****   * }
 * * *** * *  * **    ******  else  * *    * *  *  *** ***  **  * * *** 
* * **  *  * * *  ***   ****   * {
***  * *        * *  ** * * *   ** * * ** **  **  *  *  ***
 *   *   **  ** *****    * **   }
*   *  *  }
 **   ** * * *  *  **       **** ** * ** 
}
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#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
    fgets(a,1000,stdin);
 *  * * ** **  *    *** *     **   *****   **    **
**** **  *    ****  ****  *  *   **   * *  *   **  *
      *  ** ** *  * **  *****  *  ***  ***    **    ** **     ** **** *  * **  ****  && a[i]<='z')
 **   ** ** **    **** ** ***  **  * * *  ** * ** *  *****  *  * ** *  *   * ***   *   * **     **  *** *
* *   *  ***  * *   * *** *******  ** *    *   *  **  **  **** *    * *  * *  * ** * *   *   ***  *  *** * ***  ***     * **    ******** *  ** * **  *  *
  ****  * *   ** *****  **  *  *  ** *** * **     * ****  *   ***** ** ** ***  ** ***  ** ***  **  **
    * * *     ** *  *  *  ****  *  *     * **  *****    * *  ** **** ** **  * *  * **   *  if(a[i]>='A' && a[i]<='Z')
 ******** *   ***  *   * * ****   * ******   **   *   * *    *****   ***     *  * ********** ** **** * ** 
* **  *  ***  *****      ** *  * * * ** *  **  *** ***** * ** **  * *** * *  **     **  **   ****  * **  * * * ****** *   * ** * * ****  *****
   ** ** * *  ** *   *   **    * **** * * *          ** *****    * * *  ****  ****** * *** **  ***  ***** *
        *  ****  *   *  ***** * * * ** *** ***   **  
****  *  ***** * * ** **  *    * *    * **  **  *** ** *   **    ** **  
}
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