1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
13.3k 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 | 13.3k 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:172.69.214.205
©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 | 9.2k 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 | 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users