1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
12.6k 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 | 12.6k 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:172.71.254.148
©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 | 8.6k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users