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:108.162.241.184
©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