1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10k 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 | 10k 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:108.162.216.80
©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 | 7k 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 | 6.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users