1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
2.8k 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 | 2.8k 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:172.71.254.192
©2016-2024

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 | 2.2k 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 | 1.9k views
12,783 questions
183,443 answers
172,219 comments
4,824 users