1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
8.8k 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 | 8.8k 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:172.69.17.64
©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 | 6.2k 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 | 5.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users