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:172.69.17.48
©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