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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}
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;
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** ********* ***   ***  * ** *  **** a   ** *  *   
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** *   ** ** **  *  *    * * * ** *    *    **** if (ch >= 'a' **   **  *** ch <= 'z')
* * * ***  **  *  **** *  * *   **     *  *  *    **    * = s[c] - 32;
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*   *  *****  **   * * * 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 );

****     *   *  *  ** * *
return 0;
}
answered by (-32 points)
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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 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') {
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*  *  **** ****  **   **   ****     *    **** **     **        **  * = 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;
 **    * *******      *****  * *  ***
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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++)
**** *   *** *** * **       
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 **   * **   ** *   * ** *    *     *    = '\0';
 * *  *******   * ** **  *  * *  = 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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