1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
8.2k 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 | 8.2k views

57 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
  ****       ** * * ** *** * *** *  ** *      ***  * *** 
    for(i=0;i<strlen(a);i++)
***  ** *  *   ********   * ****       ** ** *******
* *** *   * *** * ** *  ***  * *** * *** * ***  *   *  *  ** * **        *** *   * ** *  && a[i]<='z')
**  **   **  *    * ***       ** **   ***** * * *   **      * ******  **** *  *          * **   *** *  * * ***   *********    
  * ****  *** * * ***  *** ***** *   *       **   *  **   *** ** **   **** ******* * **  *        **** ****   ****  * *     *  **** * * * *
 * *    * ********      * ** **  * * *    ******* ** *  * ***  *      **   ***         * **  **   * **   
  *** **  * * * *  **  *   *  *   *   *******    **  ***  * ***   * **   ** * *   if(a[i]>='A' && a[i]<='Z')
 * ***       **** * *   * * **   ******  *******      ** ** *** * * **       *       ****    *  * **     
** **  *****   ** ***  * ***** * * * *   *   *    *  **  * ** *    *     * *  *** * *** * **   *   ** *     **  **  * * *  **    * ******
* ** * *    **  ***  * ** *  ****** **  ** **   *** *   * ***     * *****  ** * ** *  *  * *** *
*** **    *  **  *  *  ** * ****  * *   ** ***   *  
 ****  *  * ** ** *   *** * ***  * *  ****** ** * *** ** * *** ** ***  ** ***   **
}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&a);
             ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000];
*     *** * *******        ** ** * *  * *
    int i=0,l1;
**** * * *** *     ***  * *  
*** * *  * *** *   **  * *   *   * *  *  **  *   ***
*    *****   *  ** ** *    *    * * *  *     * **  *   * * *   *   *  **   ** *  *  ***
 ***  * *    *  **  *** *   *  * *    ** ***   ** *   * **
*   ** ** * * ***  *  ** **** *** *    **  **  **  *   * ***  * * * **  * *  *   
**     **   ** **  ** * ****** ***   * *      ** * **
 * * ****   *    ** ** *  * *  *   *** **** * **** *   *  *   if(a[i]>96&&a[i]<123){
 * ** ** ***** * * * *** *        *    *  * **** ** *** * 
*****         ** ** **   ***    *  * ****  *** ***    *  *** *** *** ** * * 
*   * **    ** ** **  **      **   *   ****  * * * *****  
*  *      * *** ** ****  ** **** * * ** **  *  *** * * * *
** *** *   * *   *** ** *  *  ***  **  * * *****  ***    * ********** *   * *   * * ***  * *** * ***    
 * * * *   * * ***  ****** *** *      *  *  *  * *  
    }

}
answered by (-329 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()
{
***  **   ***** * *  *  * *  *** string[1000];
 * *  ***  ** *  * *** **   ** * i=0;
 *    ** * * **  ** **** **  **** *****   **  
  *      *****   ** **  * *  ** **   
    {
 *  * **   *  *** ** * ** * * *  ** ** **  * ** *  *   ***  *  ** *** * && string[i]<='z')

** **     * * *  *  * ******* ***   ****** ***     ** * ** * * *  *** **     **   * * *  * * * * * 

*** * * **  *** *******   *    *  * *    *****   *  if(string[i]>='A' && string[i]<='Z')

 **  *    *** * * * ** ****        * * * *** * *    *         *     * ** *  * ** ***   ** **  * * = string[i] + 32;

  **   *    ******  *       *** **  **       ****  * * * *

* **  ** *  * * ******* 
**  *  *      * *  *  ****  *     * **      * ** 
**  ** ** *   ** ***   * *** *       ****   ***
** *   *** *  * **** **** ***   ** ****** **  **  * * *
* ** **** *  * *** *   * *  
* ***   *  ******** **    **   * **** * * *** *  *****   **
* **  *  ** ******     **   0;
}
answered by (-323 points)
edited by
0 0
prog.c: In function 'main':
prog.c:7:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(string);
     ^~~~
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/ccuYke74.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:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++){
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: 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<stdio.h>
    **  *   **  **       * *
int main(void)
{
  **  *    **** ***   * * * str[1000];
 * *  ****      * *  * * i,temp;
  ***      *** *** * * *** *****  ** ** *
***  **  * * *******      * n = strlen(str);
  *   *   * *  ** *     ** ************ **
 ** *    ** *** ** ** *    *  
* * *** *  *     * *  **      * *   **   *** * **   ***   ** *   * && str[i] <= 'z')
  ***  ***    ** *    *   * ** *****   *   *****    ****       * ** *   ** *  * * ** *
 *       **  *   *** * **  * **    * * *    * * ** ** *** if(str[i]>='A' && str[i] <= 'Z')
 * ** *   *  * * ** *****   ***  *** ****  **** ** *****   ** * ** *  *  ******       *****
   *  * * *  *  * * *  ***  **  **    *     *** **  * 
  *   ** * *  * *    *  **  ** *
*  *** **           **  **   *  **   ***  **  *  **  * 0;
}
answered by (-281 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 <stdlib.h>
#include <string.h>

int main()
{
 * *  *** *   ***    ***  ** **  array[1000]={0};

**** ** *** * *** *    *  i = 0;

* **  ****  ******  ** ** **      * ** 1000, stdin);

      * *** * ** ** * ** *  *  len = strlen(array);

   *** *       *  *   * *  *  = 0; i < len; i++)
*** *  *******  **   *** ** 
* **  *   *** ***** * *** *  ****** *   * * *   **  *  ***** ** ** *    >= *  * ***** * * **   ** <= 'Z'))
 *  * *** ** *    * *   * **  ** ** ***  * **   * **   **    
  *  **   *****   * **  **** ** **  * *     *** *  *  * * *  * ****  ** *  ** * **   += 32;
***     **  * *  ****   ** ******    * *** ***** ****  ***  *
**     *  * ***  * **   * **  * * ** **  **  ***** ***  if ((array[i] >= ** **** ****    *****   <= 'z'))
***  **   * ** **   * ****       * *   *  **  *  *    
*  *  **  ** * *   * *  ***  **  *  *   *** ****       *******   ****       * *** -= 32;
* *  *  *    ***   ****** *   *   * *** *******       * * 
*    **    * ** **   *    * * *** ** ** * **  ***  ***   *  **  * *****  *** *   * * ** **   ** 
 *   *   *   **  *     **
   *  **** **   *** ** ****       0;
}
answered by (-284 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 <stdlib.h>
#include <string.h>

int main()
{
 **  ****  *   * *    *  ** array[1000]={0};

*****    * *     **** ** **   i = 0;

**  ******   ** * ** ** * *  *  1000, stdin);

    *** * **  *  * *  ** ***  len = strlen(array);

* *  *  *  *     **   ** ********** = 0; i < len; i++)
*     * **  ** *   *** * ** *    
* *     ** * *    *   **** *   *   ** ** *  ** **  * ***  * ** >= *   * *** *** ** ** <= 'Z'))
 **    *  **   **   * **   ** *** **  **  * * ***** *  * 
**  *   * **  * **** * ***** ****  *  * ** **    * * *** * *** **** *   *       * **** += 32;
* ** *****   *** * * * **** ***  **** * ****
  **   ** *** ** *     ******* *  ** *  ***********   ****** if ((array[i] >= *** *****   ******     <= 'z'))
  * * *   ** * * *******      ***  *  ***   **  *   
 *  ***** *** *  *  *  ***    **    *** *  ***  *  * *  ****** * **  *   *  ** **  ***  -= 32;
   * * *  **   *** * * *   *     *    * ** ** *  * 
*** **** *** **   ** ******  **** * * ***** ***   ** * * ** * *  *** ** * **
*   * **** * * * * **** 
***  * ****  *** *   *** *  ** * 0;
}
answered by (-108 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 <studlib.h>
#include <string.h>

int main()
{
 *  ****** * * ** ** *  ***
*    **** * * **   ***   * *    * array[1000]={0};
 * *   *  **  *   **** ***  i = 0;
*  * *     ** * ** *   ** * *  * *  1000, stdin);
**  *** *  ** *** *    * len = strlen(array);
*      *** * *  * * *   *  * ***   i<len; i++) 
 **  ** *  ****  * **  *** 
*   *****   ****** *  ****  **** ** ** ***   **   * 
*   * **    *    *     * *   *  * *  *** *  ** **   *** ****   ** >= *    * *** ** * * *** <= 'Z'))
*    **** ** ** ** *  * * **   * *   **  ***** * *
**** *** * ** **  * * *** * *  ** * * *** ** *   **  **  * *  **** * *  *    ** *  *  += 32;
     *   **    ** * *  **   *   *** **     **  *    
***  *  * *  * * ** ***  *    * ** *** *  *  ****       
   * *  **  ** * **  ***** **   *   ***  * *  **    if((array[i] >= 'a')&&(array[i] <= 'z'))
 *  *   *  *   * ** **  * *  *   *  * * * ******
* ** ** *    **      *   * *  ***       *   **   *    *** *  ** *   ****  * * *** **  ** ** **  -= 32;
**   *** * *** *  ** * * * ** **    * * ** ** * ** 
*   * **    **     * **    ***  *     ** * ** * ** **  * *  *         * ***  **  *  
  **     *     ** **  *  ** 
 * * *   **** ** ***  * ******   0;
}
answered by (-284 points)
0 0
prog.c:2:21: fatal error: studlib.h: No such file or directory
 #include <studlib.h>
                     ^
compilation terminated.
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
**  **      **   *    *  * * *  * str1[1000];
  *    **   * ***  *  * **  * ***  a,b,c,d;
*   *    * *** ** *  **    *  *  *   **
 * * * *  *   *    *  **  * * ******  
** ** **    * * ***   *    ** * **  *     
 * ** **  *   * ** *    **  **   * ** *   ** ***   * *  * **    *        &&str1[a]<='Z')
* *** * ** ***  ** ** **** *   ***  *   ***** *     * * *  ******    ** **** **  ** 
* * * ** *  * *     **** *   *       **     ** **   * *** ** ****  **  ** * * ** *    * * **** **
*   * *  ** *   *  * *   ** *  * ***   ** ** * **   *  ** **  * *   * ****  *    ***   
    }
 * *    *  **  *    *    ** *** **  **   **  ** ** **   *
 ** * * ***    * **   *  *   0;
}
answered by (-498 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()
{
    * *** ***  ** ** * **** * str[1000];
    int i;
 *** **   ***     * *    *** *    ***  ** 
 * * **   * * * ** **    *    ** * *   ****  *
    {
******  ***   *  ** ***  * ** *  *** *  * ** * * ****** * * *  * ***    *  * *  * **  **  **   
**   ****** *   ***** *   ****  * *** * *  * *  *  * *
  * ***  * *  *   ** **    **  **     *  *  *   * * * **  ** *  *      *  * ** *    ****  *
  *  *  * *     ***   *  *     * ** ***   ** * * ** *      **
**** ** * ***  ***  *   * ***  ** *   *  * ** *****   *   * * if * **  *   * *  **  * ***  * **** *** ** *
*    *** *  *   * *** * *** * **    *     * *     ** ** 
    *** * *     *  ** * **     *  *   * *  ** *****  *** *     *  ** **   ***  *  * *    * *
**** * * * *  **** ** ** **** ***    * *  *   * * *  
    }
**   *  **  ** *********  ** *  * **  *  * ***   *  

******   * **   *  **   **  *  0;
}
answered by (-196 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()
{
    char a[1000],b[1000];
    int i,j,len;
 ***** * **      *  * * *** *   ** * *  * **  **
    {
*****   *      **  **  *** *  *   **  ** *  * **** ** *  **  
    }
*    ***  **** ** * ***   *  ******** 
* ** * ***    * *** * * * *******
      ***  *********  **    **** *  *    *
    {
*  **  ** *    * * ***  ** * * ** * *     ** ****  **   * **    **
   *  **** *******  *   *  *  *******  *  *    * ** *** 
*  *  ** * ** *** ***  *  **     ***  * *  **  *** **  ** **   *  **  *      ***  ** * ** * 
** **** *   ** *   * * *** ** **  **** *** ****** * ***     ****  **  ** ** *    ***
** *   *   **  *** * *  ** **  **   ******* * ** * ** ***  *  * ** * *** * *  * *     * * ** ***** **  **  *     
*****  * * **   ********   *** **   * *   ** *** * ** **  * *  * **   **  * *  *    
 ***     **   *   ***  **** *      *   * **   ** * *  *     ***   **  *   * * if(a[i]==97+j)
  *** * *     ** *** ** * **   ***** * ******   * ** **** ** *    *****     *   *  
 **   *  *** * **  * *  ****** **  * *** *  ** *  **      **  **  *** *    * * **  ** ** *  * *** **  **  ** *** 
 ** * **  ** ** **   *   **** * **    * * * *   ** **  *   ** **  *     *** *  * ***  * 
 **  ***  *  **** *    *      ******   *        *
*   *   **** *  * **  *   ** *  ***  * **** *  * *   *   **    *****  * ***     
    }
}
answered by (-255 points)
0 0
prog.c: In function 'main':
prog.c:11:9: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     len=strlen(a);
         ^~~~~~
prog.c:11:9: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:9: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong 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:172.69.17.61
©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 | 5.9k 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 | 5.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users