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()
{
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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  ** * *   * ***  *  
*  * * * * * *** ** **
** ** *      ****     * 
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)
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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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#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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* ****   * ***** **   * * *   * ** * **   **       *
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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];
* **** ****  **  *  * ** 
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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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