1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
13.3k 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 | 13.3k 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:108.162.241.185
©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 | 9.1k 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 | 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users