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:172.71.254.225
©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