1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
8k 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 | 8k 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:108.162.216.135
©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 | 5.8k 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 | 5.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users