1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
17.6k 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 | 17.6k 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:162.159.115.31
©2016-2026

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 | 12.3k 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 | 11.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users