1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
9.3k 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 | 9.3k 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:172.70.130.213
©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 | 6.6k 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 | 6.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users