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:172.69.58.136
©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