1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
12.6k 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 | 12.6k 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:172.71.254.148
©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 | 8.6k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users