1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.5k 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 | 10.5k 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:172.69.59.176
©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 | 7.2k 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 | 6.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users