1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
9.3k 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 | 9.3k 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:172.70.130.213
©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 | 6.6k 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 | 6.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users