1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
9.1k 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 | 9.1k 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:172.71.254.162
©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 | 6.4k 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 | 6.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users