1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
20.5k 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 | 20.5k 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:104.23.197.65
©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 | 14.2k 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 | 13.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users