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:172.70.178.35
©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