1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
18.6k 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 | 18.6k 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:162.159.115.9
©2016-2026

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 | 12.8k 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 | 12k views
12,783 questions
183,442 answers
172,219 comments
4,824 users