1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
16k 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 | 16k 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:172.70.80.244
©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 | 11k 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