1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
11.5k views

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
edited by | 11.5k views

57 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
 *****   *  *  **    *******  a[100];
** ** *  ***  *   * * ***      *** **
 *  * *  *   **  ***  *** * * * ** i;
 * **  **  ****  ***** ** ***** ***  * *** ** * 
**       ** *  *** * **   **
***  ** *   ****   * **    * *  ********** * *  * *  * * *  ******   * **  **   **** *  *   ** 
    * ** ** * **    ****** ***  *  **  **** ***   * ** * *** ********  *    * *     ****    
  *  **** **   **  ***   *   *    ** *** * * *  ** **** * ** ** *      * * ** *** *  *****  
 *  * **** ** ** *     *** *  **** * ****  ***  **** * **    * *  *   *****

    }
  * ****  ** * * *****   * **  * *  *     * 
*    *  *    *   ** ***** *** * **** 0;
}
answered by (-140 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
* *  *   **    ******  *** a[100];
**    ** ***    ** * * ***** ** ****   **
*  * *  ***   * ****  ***      **  * i;
 * *   ** ******** * * * * *  * *** *    *    *
*  ** ****     * ****  *  ** *
  ** **  * *   *   * *  *   **  **** *    *  **  * *  * ******        **  * **    
  **  *    ******* ** **     *   **    * ** **   * **   * *****  *   ***   *
  * **     *  ***** *** *** * *    * *  ****       * *   **  * *   *  **    ** *  * 
 ** *  ** **  ** *        *  * ****  *  ** *  * *** * ***   * ** ***** **** ** *** **

    }
 *****  *   ********    **** ******* * ** ** ****  
  ** ** *** * * *****  *  * *     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')
                            ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#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;
 * *     * ** *  ***    *******  *  *    **  
 * * **   *   ** **

   ******* ****  *** ****    **  ** *** * * ***  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.
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include ****   * **     
  ** *  * *  ** ** *    *  
****    **  * *  *   
int  *  **
{
char a[1000];
int i,n;

 *   *  * *    :    **  );
*    * ******  ** *
  *** *   
    ** ****  * ** 
{
 *  *  * * **   **  *  **  * *  ( ( a[i] >= 'a' ) ** *** ** *   ( a[i] *    ** 'z' ) )
 * * * * ** ** ***   *      ** ***   *** * *   **  * 
* ***  **** **  ****  ** * *      ***   *    *** ****  ***  **  = a[i] - 'a' + 'A';
  ** * ***  * ** **  *   * *** * *  * * *   *  *  ***
*    ** *         * ** *** if( ( a[i] ***   'A' )   * **   *  *  ( a[i]   **  * 'Z' ) )
**  *    * * * * *   *  *  **  *      * **  **   **  
*** *   ***** *  ***  * *  * * *  * * *** *  ** * ** * *  **  = a[i] + 'a' - 'A';
*** ***  * * *  * *   *******  *** * ****  * *  *** ** **
}

printf( *****  *** *** a );

 *    ***   *  * * *  
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)
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'
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#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);
            ^
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
** *    * **   **   ** ** *  a[1000];

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

 **    ******  **   **  *         i;
 *  *** *  * *   * *** *** ** ** ** **  *  ** **
**     ** * ***    *****  **
 ** *     ** ** * * ***  *     **   ** *** *  **  *    * * *    *  ***** * *  * **      ****     
  *** ***   *  * ******* **   *  ***   *** **** * ***  * *    **  *   **  *    *     ****  ** *   


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


    }

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

  *    **   **    * *    *  * 0;
}
answered by (-16 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
 ** *  * *   *   ** * *** * ***   * a[1000];
* *** *  * *****  * *** ** * i=0;
*** **   * * ***  ***   * * **    *  * 
  *  **   ** *** **    **  **  (a[i]!=0)
    {
  ** ** *  ** *** * * * ******  * ** *** **** *   ****** (a[i]>64 && a[i]<91)
*** **    **** **    * * * **   * *** *  * * ** *    
*  *   *** *  *   * ** *** * *******  * *  **       ***    ** *    ** ****   
 *** ** *   *  *   **   ***  ***   * ** ****   ***    * 
****   **  *  ** * ******  *** *** *  ***** *  *   *  * ** *  if (a[i]>96 && a[i]<123)
   *** **  **   ** **  * * *** *  *   *  ***    
 *   **** ********* ****  ***       ***  * * ** **** *  *  * * ***** ***  * ***   * *  * * 
   * * ** *        * *  *** **  **** * **  * * * **  ****
 ***** *  **  *  * **    ** * * ** **       **  **** * * 
    }
  ***** *** *** **   ***  *****   * *** ** **   **** 
  **  **    * * * ***   **   0;
}
answered by (-229 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include ***      **   
#include     ** * *** 

void main()
{
 ***  * * * * * ***   *  **  sentence[1000];
***  * **    ***  ***  ***   count, ch, i;

** *** * *****  ***   * *   (i = 0;(sentence[i] = getchar()) != '\n'; i++)
*    *  ** * *  ****  *  
     * * ** **  *  * *** *    *** *  ** *  *  **   **  * *  *  *
 ****  *****  *   *  **  *****  
   *  **     *  *** ** *   *** = '\0';
*   **** **  ** * **   * *     * *   = i;
  * *    *   * ****** * * * ** (i = 0; i < count; i++)
**     * * * *  * *    
* *  *  *****   * *    *    **     ** **************  = *  *****   **    * *  *   * *  :
 ** *   * *
*   * * ***** **  ****     * ***   *  ** *  *  * * *  ***** * ** 
******  *  ***   *  ***** 
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
* *      * **  ***   
  *** *  * *    ***   * 
int   ****  
{
 ** *** * ** ** *  char a[1000];
 *  * **** * **   ****** 
* **   *  ****** * int i;
* * *** **  ***  * ** *  ** ** * *** 
 *  **  *****  {
  ******   *  * **    ** **   ***    * ** * *  *  *    *    *****
*** ***   ** *     {
   *         ** * * **  ***  * 
  **     ** *    * ** }
     **  *** *    *  *    ** *  else      *** *   **** *  * **  ** * **  
**    **  ** * **** *  * *   {
** **  * *** ***         **   **      ** * *  * *****  ***
*   *   **** **    ***     ***   }
      *****  * }
* *  ***  **      **  ** **  *   * * * 
}
answered by (-249 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#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')
 ** *  *** *  * * ****  **   * *** ** ** *     * *  * * * ** **   ******* ***** *  **  * * *    *
*  ** *****  ** ***  *     ** ** ***   *  **   * * *   ***    ****  *  *  **   * *     * * *******   * *****   **** ** *** **    * * * *  *  **  ** **   *   *
 **   **   *  *   ***  ** *  *  * *  ***** *** **  ** *** * *    **    * ****  *   *** **    * * **** ** * *    * 
  * *  *** *  * *** * * * ** *  ** **   * ***   **  
**     * **       *  **** ** *            ***** * **  *      **  *  ***     
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.127.194
©2016-2025

Related questions

0 like 0 dislike
27 answers
1-11 Exercise 3: Prefix of a string
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41439 - Available when: Unlimited - Due to: Unlimited | 7.9k views
0 like 0 dislike
29 answers
1-11 Exercise 2: Reverse a sentence
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited | 7.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users