1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
16.2k 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 | 16.2k 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:172.70.100.103
©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 | 11.1k 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 | 11k views
12,783 questions
183,442 answers
172,219 comments
4,824 users