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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57 Answers

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
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****  *** *  * ** ****      ***   i;
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    }
* *      ***  * *     *      ** * *** **      
*      **  * ** ** * **     ***** 0;
}
answered by (-140 points)
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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Hidden content!
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
*   ***   *   * * * ****   *  a[100];
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    }
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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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* ***  ***  ** **  *** * *    *     *   *  *     **
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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.
commented by (4.3k points)
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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;
*  * *  **   * *     ** **** **  **   *  **** *  *
*** **       * **  *

* ***  **   *  *   * ** **** **  ** 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);
            ^
commented by (4.3k points)
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Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

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

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 **** * **  ** ***** ** **      i;
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    }

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

*     * * *   **   ** * *   *  ** 0;
}
answered by (-16 points)
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Hidden content!
#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;
}
answered by (-229 points)
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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   *  * ***  * *  *    *   *  * *** ***  **
****   * ***    *  * *       *  {
 ******  * **      *****  *    *      * ****     * **
  *  *   *     * * **** *    ** }
 **        **   }
  *  * *  ***  * * ***   **** * * *  
}
answered by (-249 points)
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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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