1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.1k 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 | 10.1k 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:108.162.216.125
©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 | 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 | 6.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users