1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
14.2k 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 | 14.2k 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:172.69.17.58
©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 | 9.7k 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 | 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users