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()
{
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    }
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*** * **** * * ** ***** * ** *  *  0;
}
answered by (-140 points)
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Case 1: Correct output
Case 2: Correct output
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
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    }
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}
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;
** * * ** *** *  **  *  *   **** **
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** * * ** *    **   *  ** * **      **** 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 ***  * *** ** *  *
  ** *   *  *  * *  **
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int    * **
{
char a[1000];
int i,n;

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{
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* ***** ***   *** **  **   **  *   ***  ** *****  ***  ***
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}

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

  * *   *  ** * *** *  
return 0;
}
answered by (-32 points)
edited by
0 0
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];
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  *** **  ** *  *    *  ** * **  * * **  **** ******  * * *  = 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)
    {
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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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    *      *  * 
*  *** *** ** *  ***** * *  *** *** ****     *  **    **       *
 **    ***     **  *   ** **
}
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 ** **  *      ***
 ****** ****  *
int   ****
{
*****  ** *   char a[1000];
* **   *    ** *   ** **** 
  **   *** ***  int i;
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*   ***  ** * *   ***  *    *   *  {
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*** * ** * *    *** *    ***** *  }
 *    * *   **** }
 * *  **    * * ** *  ****  * **   ***   **
}
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#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
    fgets(a,1000,stdin);
**   *******    * *   **** *   *  ***  ** *
** **     * *** *  *** *  ** *      ****   * *******   *
*      *   *   ** * ** *  ******* *   *    *** *   ** * * **** ***** *     *   * **  ** *** ****  * && a[i]<='z')
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   **   *     *** ***   * ** * *  * ***  *****   **   **  ** **    ****    ** * * * ** * *** ***     ** *  * * 
*  * **  ***  ***      * * ***** *    *  **  ** * ** ***  ****  **** * *  *  *** ** if(a[i]>='A' && a[i]<='Z')
 ***** *  * **   *  ** * ** *  *     **   *    ** *** * *  *****  * *  *  ****   **     * *  ** * *   ** * ** *      
   **    ****  *  * *    **   *** ** **   * *  ***** *  *****     *  *******    *       * **** * *  ** ***  * **   ***   *** *  **  * ** * * *  
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  * *   *  *    *  * **  ***  *   *** **   *** *   ** **     * *  *   * ** **   **** 
}
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