1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
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 | 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:108.162.216.135
©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 | 5.8k 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 | 5.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users