1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
13.3k 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 | 13.3k 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:172.70.80.171
©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 | 9.1k 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 | 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users