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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}
answered by (-140 points)
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Case 0: Correct output
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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    }
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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];
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* *  **** *     *  **   *** ***  * *    ****  * *    ***    ** *  = 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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}

printf(     **    ***   a );

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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];
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 *      *** **    *** ** *  (s[c] != '\0') {
  *  ** * ****     *******   * *** ****      * = s[c];
         ****       * *   *   *   ******  (ch >= 'A' * *   ***** ch <= 'Z')
** ** ** *     ** * ** ** * ****  ***  *** *  *  ****** *   ****** = s[c] + 32;
***     * ***** ** ****    **  ** ** * **   if (ch >= 'a' *** *  ****** ch    *   'z')
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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;
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    {
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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;

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** * *    *** *** *  *****   
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*** *** * * **   ****  * ** *  *** = i;
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*  * *****   * *****  **  * * 
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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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