1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
11.1k 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 | 11.1k 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:172.69.17.66
©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 | 7.6k 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 | 7.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users