1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
5.6k 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 | 5.6k 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:172.71.254.54
©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 | 4.3k 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 | 4k views
12,783 questions
183,443 answers
172,219 comments
4,824 users