1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
12.2k 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 | 12.2k 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:172.69.17.207
©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 | 8.3k 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 | 8.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users