1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10k 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 | 10k 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:172.71.255.125
©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 | 7k 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 | 6.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users