1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
14.5k 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 | 14.5k 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:172.69.59.246
©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 | 9.8k 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 | 10k views
12,783 questions
183,442 answers
172,219 comments
4,824 users