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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    }
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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)
0 0
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];

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

  *      **  **    *   * (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)
0 0
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);
            ^
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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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Case 1: Correct output
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#include <stdio.h>
int main()
{
 * ******  *  **   ***     a[1000];
* *    *    *  *     * *   *   i=0;
 *   * **  **   *      ** **   * *    * 
  *  ** ** **  *** **  * **** *  (a[i]!=0)
    {
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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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    * *** *  *
 **** *  *  * *** * ***   * ***  *   ****** *** * *   ***  *     ** *  * 
   ** * *** *** **  *** *     
}
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 *   *    ** * *  
  *** *****  *****  *
int  *  
{
   * **   *** ** char a[1000];
    ** ***   ** * *   *** 
** * ***    * * * int i;
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   *      * ** * * * {
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***  *         **  ***  *  * *    **  
*** **      *  **  * }
*** ** *          ****   * ****  else *   *   *  * ** **** *             
**  *** *** * ***  **  **  * {
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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')
**    *  *        * *  ****  * ** ***   ** * * * **   ** ** **     *  * * *   ********  * ** *      *** * *  * ****
*** ****  ** ** ***** * ******* *  ** ****   **** *    * ***  * ***  *  ********    * * * * **  * * ********* *   ******* **     ** **  *  ****   
* *  *  * ******** *  *    *** *   **   *  ** * * ***** *     ***    **   ** **  **    *** *  ****** *  
******* **** **    ***  *  *  * *** **     *       ****** ** *****   * *** ***    * *  ** if(a[i]>='A' && a[i]<='Z')
***** *  * * * *   *    ****  ** *     * *     **** **   **  *   **     *    *   *  * * *  *   * * * **** *  *
 *  * * *  *  * *  * *    * *     * ** ****   * * **    ** * * **** **  *********** * **  *    * * *     * ***   *     **   **** * * ** * ** 
   * *****  * ** *  **   * *  **     *    *** * *** ** ***  ****  *   **   ** * * ****    * *  * *  ****   
* *  * *  **  *** * *****  * *   ** *     * ** **
 ** * * ** *  * **      **********    * **  *    *****  *  ** * *    *  ****     
}
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