1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.5k 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 | 10.5k 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:172.70.127.217
©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 | 7.2k 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 | 7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users