1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
8k 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 | 8k 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:172.70.130.46
©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 | 5.8k 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 | 5.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users