1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
13.1k 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 | 13.1k 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:172.70.80.232
©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 | 8.9k 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 | 8.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users