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:172.71.254.201
©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 | 7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users