1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
15.9k 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 | 15.9k 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:172.69.214.204
©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 | 10.9k 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 | 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users