1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.6k 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 | 10.6k 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:172.70.131.185
©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 | 7.3k 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 | 7.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users