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:172.69.17.42
©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