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:172.69.59.23
©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