1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
15.3k 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 | 15.3k 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:172.71.254.169
©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 | 10.5k 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 | 10.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users