1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
15.9k 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 | 15.9k 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:172.71.120.163
©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 | 10.9k 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 | 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users