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:172.70.50.51
©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