1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
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 | 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:108.162.216.135
©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 | 5.8k 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 | 5.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users