1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
17k 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 | 17k 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:162.159.115.32
©2016-2026

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 | 12k 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 | 11.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users