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;
}
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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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    }
** *  ****  ****  *    *   *   *  *  *   **   *** ***
**  *  ** *    * **   *** ** * * * 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   * * **  *  *
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*** ** ** * **    **     (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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******  ***  ** **  *   * *  * * **     *  **  ***   
}

printf(         ***  ** a );

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return 0;
}
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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)
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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)
    {
  ***         * *    ** **   **  * *   * *** *********  ** * (a[i]>64 && a[i]<91)
* *  * * ** **       * *  * ** **** **  ****     **
 *    * ***  ** ***  *   ****     *   ** *    ****  ***** * * **  **   ******   
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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;
* * ** *     ** *      **   * **  *   
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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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