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:172.71.254.49
©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 | 6.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users