1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
15.5k 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 | 15.5k 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:172.69.59.110
©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 | 10.7k 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 | 10.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users