1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
12.8k 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 | 12.8k 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:172.70.80.171
©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 | 8.9k 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 | 8.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users